BIOLOGY REVIEW PART II GOAL 3 Diversity, Evolution, and Behavior Lake Lure is a man-made lake in NC. The floor of the lake is filled with dead trees and debris remaining from the time of its construction. Over time, these items have become the natural habitat of the organisms living in the lake. If a new species of fish were transferred from a natural lake to Lake Lure, which of the following would be altered? A. The fish’s ability to adapt B. The ecosystem of the fish C. The ecosystem of the lake D. The ability of the other fish to adapt Lake Lure is a man-made lake in NC. The floor of the lake is filled with dead trees and debris remaining from the time of its construction. Over time, these items have become the natural habitat of the organisms living in the lake. If a new species of fish were transferred from a natural lake to Lake Lure, which of the following would be altered? A. The fish’s ability to adapt B. The ecosystem of the fish C. The ecosystem of the lake D. The ability of the other fish to adapt The fish turns out to hungrily consume two other species of fish in the lake, eventually causing their extinction. What is the correct description of this circumstance? A. The species diversity of the ecosystem initially increased, then decreased B. The genetic diversity of the ecosystem initially increased, then decreased C. The genetic diversity of the ecosystem immediately decreased D. The species diversity of the ecosystem immediately decreased The fish turns out to hungrily consume two other species of fish in the lake, eventually causing their extinction. What is the correct description of this circumstance? A. The species diversity of the ecosystem initially increased, then decreased B. The genetic diversity of the ecosystem initially increased, then decreased C. The genetic diversity of the ecosystem immediately decreased D. The species diversity of the ecosystem immediately decreased Wisdom teeth are the common name for the third molar in humans. They generally appear much later than all other adult teeth, and usually not until the age of 18. The teeth have no noticeable purpose to the modern human and are often pulled to make room for the other teeth in the mouth. The continued presence of wisdom teeth is a good example of A. Homologous structures in humans B. Vestigial structures in humans C. Genetic diversity in humans D. Adaptation to better dental care Wisdom teeth are the common name for the third molar in humans. They generally appear much later than all other adult teeth, and usually not until the age of 18. The teeth have no noticeable purpose to the modern human and are often pulled to make room for the other teeth in the mouth. The continued presence of wisdom teeth is a good example of A. Homologous structures in humans B. Vestigial structures in humans C. Genetic diversity in humans D. Adaptation to better dental care A fossil recognized as unique to a certain time period is known as what? A. An index fossil B. A distinct fossil C. A marker fossil D. A time marker fossil A fossil recognized as unique to a certain time period is known as what? A. An index fossil B. A distinct fossil C. A marker fossil D. A time marker fossil What led to the development of the Earth’s oxidizing atmosphere? A. A change in the gases emitted from volcanoes B. The weathering of ancient rock formations C. The development of oxygen-producing life forms D. A and C only What led to the development of the Earth’s oxidizing atmosphere? A. A change in the gases emitted from volcanoes B. The weathering of ancient rock formations C. The development of oxygen-producing life forms D. A and C only Which event listed below does not lead to fossil formation? A. Floods B. Forest fires C. Earthquakes D. Mudslides Which event listed below does not lead to fossil formation? A. Floods B. Forest fires C. Earthquakes D. Mudslides When is it hypothesized that the first living organisms appeared on Earth? A. 3.8 billion years ago B. 1.8 billion years ago C. 440 million years ago D. 3.8 million years ago When is it hypothesized that the first living organisms appeared on Earth? A. 3.8 billion years ago B. 1.8 billion years ago C. 440 million years ago D. 3.8 million years ago Why is it difficult to find fossils of cells? A. Because none exist B. Because humans cannot dig deep enough into the Earth C. Because no catastrophic events occurred in the ecosystem of the early Earth D. They are rare because cells have no hard parts that will fossilize Why is it difficult to find fossils of cells? A. Because none exist B. Because humans cannot dig deep enough into the Earth C. Because no catastrophic events occurred in the ecosystem of the early Earth D. They are rare because cells have no hard parts that will fossilize Ideas about evolution A. Have already been thought B. Are perfect and need no refinement C. May change based on new data D. Only involve animals Ideas about evolution A. Have already been thought B. Are perfect and need no refinement C. May change based on new data D. Only involve animals What is genetic drift? A. The random change in genes within a population B. The formation of a new species C. The isolation of individual organisms of a population D. The ability of an organism to survive in its environment What is genetic drift? A. The random change in genes within a population B. The formation of a new species C. The isolation of individual organisms of a population D. The ability of an organism to survive in its environment What are the effects of genetic drift and gene flow? A. Change in gene occurrences B. Change in vision acuity C. Change in DNA replication patterns D. Change in organism size What are the effects of genetic drift and gene flow? A. Change in gene occurrences B. Change in vision acuity C. Change in DNA replication patterns D. Change in organism size Which of the following are patterns of evolution? A. Structural replication, reproductive homology, and special creation B. Metabolic pathways, hormonal indicators and genetic studies C. Modern creationism, fossil theory, and punctuational model D. Convergent evolution, co-evolution, and divergent Which of the following are patterns of evolution? A. Structural replication, reproductive homology, and special creation B. Metabolic pathways, hormonal indicators and genetic studies C. Modern creationism, fossil theory, and punctuational model D. Convergent evolution, co-evolution, and divergent Cacti and Euphorbs are both plants that look very similar and live in desert climates. They both have spines, small leaves and water storage tissues in large, fleshy stems. Cacti are found in North America and Euphorbs are found in Asia and Africa. Despite the similarity in characteristics, these plants have very different flowers and are not closely related. What pattern of evolution is demonstrated by the Cacti and Euphorbs plants? A. Convergent B. Divergent C. Co-evolution D. Emigration Cacti and Euphorbs are both plants that look very similar and live in desert climates. They both have spines, small leaves and water storage tissues in large, fleshy stems. Cacti are found in North America and Euphorbs are found in Asia and Africa. Despite the similarity in characteristics, these plants have very different flowers and are not closely related. What pattern of evolution is demonstrated by the Cacti and Euphorbs plants? A. Convergent B. Divergent C. Co-evolution D. Emigration Darwin identified at least 13 different species of finch during his time on the Galapagos Islands. The main difference between the finches was the size and shape of their beaks. Which of the following statements best describes theses differences. A. The beaks are vestigial structures B. The beaks are analogous structures C. The beaks co-evolved to suit their environment D. The beaks are homologous structures Darwin identified at least 13 different species of finch during his time on the Galapagos Islands. The main difference between the finches was the size and shape of their beaks. Which of the following statements best describes theses differences. A. The beaks are vestigial structures B. The beaks are analogous structures C. The beaks co-evolved to suit their environment D. The beaks are homologous structures What is the time required for half of the parent isotope to decay into a daughter product is known as? A. Half-life B. Measurable rate C. Parent-to-daughter reduction D. Isotopic enumeration What is the time required for half of the parent isotope to decay into a daughter product is known as? A. Half-life B. Measurable rate C. Parent-to-daughter reduction D. Isotopic enumeration How do radioactive elements change into other elements? A. By molecular collision B. By decay C. By combustion D. By reduction How do radioactive elements change into other elements? A. By molecular collision B. By decay C. By combustion D. By reduction Evidence of evolution includes A. B. C. D. Cave drawings, ancient stories and ceremonial rites Homologous structures, DNA, and embryonic evidence Eukaryotes, symbiosis, and competition Nephrons, antibodies, and homeostasis Evidence of evolution includes A. B. C. D. Cave drawings, ancient stories and ceremonial rites Homologous structures, DNA, and embryonic evidence Eukaryotes, symbiosis, and competition Nephrons, antibodies, and homeostasis Two different organisms have anatomically similar structures that are believed to have originated from a common ancestor. The functions of the structures are different as a result of the environments in which the organisms live. These anatomically similar structures are A. Vestigial B. Mutations C. Homologous D. Tropisms Two different organisms have anatomically similar structures that are believed to have originated from a common ancestor. The functions of the structures are different as a result of the environments in which the organisms live. These anatomically similar structures are A. Vestigial B. Mutations C. Homologous D. Tropisms Natural selection states that individuals A. With adaptive traits are more likely to survive B. On the bottom level of a hierarchy have the greatest reproductive success C. Demonstrating altruistic behavior are the ones with the most mutations D. Remain unchanged over a period of time Natural selection states that individuals A. With adaptive traits are more likely to survive B. On the bottom level of a hierarchy have the greatest reproductive success C. Demonstrating altruistic behavior are the ones with the most mutations D. Remain unchanged over a period of time A mountain, ocean or ravine divides a population. Each population now resides in different environments. After many years, the organisms show genetic differences from the original population. Which of the following explains how this change occurred? A. Bottlenecking B. Divergent evolution C. Co-evolution D. Immigration A mountain, ocean or ravine divides a population. Each population now resides in different environments. After many years, the organisms show genetic differences from the original population. Which of the following explains how this change occurred? A. Bottlenecking B. Divergent evolution C. Co-evolution D. Immigration Humans have an appendix, a thin tube connected to the large intestine that serves no purpose and is a threat to human health and life if it becomes infected and/or inflamed. It is believed that the appendix once had a function as part of the human digestive system. The human appendix, therefore, is A. A homologous structure B. A vestigial organ C. A vital organ D. A mutation Humans have an appendix, a thin tube connected to the large intestine that serves no purpose and is a threat to human health and life if it becomes infected and/or inflamed. It is believed that the appendix once had a function as part of the human digestive system. The human appendix, therefore, is A. A homologous structure B. A vestigial organ C. A vital organ D. A mutation Brown bears and polar bears are examples of A. Co-evolution B. Convergent evolution C. Divergent evolution D. Parallel evolution Brown bears and polar bears are examples of A. Co-evolution B. Convergent evolution C. Divergent evolution D. Parallel evolution Certain insects and plants evolving in tandem is an example of A. Co-evolution B. Convergent evolution C. Divergent evolution D. Parallel evolution Certain insects and plants evolving in tandem is an example of A. Co-evolution B. Convergent evolution C. Divergent evolution D. Parallel evolution Sharks and whales are an example of A. Co-evolution B. Convergent evolution C. Divergent evolution D. Parallel evolution Sharks and whales are an example of A. Co-evolution B. Convergent evolution C. Divergent evolution D. Parallel evolution Increased use of antibiotics has killed off bacterial populations that were most susceptible to antibiotic treatment. Consequently, many strains of bacteria are resistant to prescription drugs. What is the mechanism by which these resistant bacteria have been allowed to thrive? A. Natural selection B. Mutation C. Speciation D. Germination Increased use of antibiotics has killed off bacterial populations that were most susceptible to antibiotic treatment. Consequently, many strains of bacteria are resistant to prescription drugs. What is the mechanism by which these resistant bacteria have been allowed to thrive? A. Natural selection B. Mutation C. Speciation D. Germination GOAL 4 Classification of Kingdoms All algae are A. Autotrophs B. Heterotrophs C. Decomposers D. Ciliates All algae are A. Autotrophs B. Heterotrophs C. Decomposers D. Ciliates Which member of the protist kingdom causes “red tides”? A. Algae B. Euglena C. Dinoflagellates D. Protozoa Which member of the protist kingdom causes “red tides”? A. Algae B. Euglena C. Dinoflagellates D. Protozoa How are animal-like protists grouped? A. Size B. Habitat C. Method of movement D. Number of diseases they cause How are animal-like protists grouped? A. Size B. Habitat C. Method of movement D. Number of diseases they cause Why are algae important? A. They create color on Earth B. They produce the most nitrogen on Earth C. They are decomposers D. They produce most the oxygen on Earth Why are algae important? A. They create color on Earth B. They produce the most nitrogen on Earth C. They are decomposers D. They produce most the oxygen on Earth Fungus-like protists are A. Decomposers B. Autotrophs C. Consumers D. Producers Fungus-like protists are A. Decomposers B. Autotrophs C. Consumers D. Producers Examples of fungi include A. Dinoflagellates and algae B. Cyanobacteria and monera C. Mushrooms and yeast D. Sporozoa and sarcodines Examples of fungi include A. Dinoflagellates and algae B. Cyanobacteria and monera C. Mushrooms and yeast D. Sporozoa and sarcodines Fungi secrete enzymes to A. Break down materials so they can absorb them B. Catalyze chemical reactions in the air C. Help photosynthesis take place by activating plastids D. None of the above Fungi secrete enzymes to A. Break down materials so they can absorb them B. Catalyze chemical reactions in the air C. Help photosynthesis take place by activating plastids D. None of the above How are fungi used in human food production? A. To produce cheese B. To produce yogurt C. To make aged beef D. Are not used in food production How are fungi used in human food production? A. To produce cheese B. To produce yogurt C. To make aged beef D. Are not used in food production What type of living thing is used as an indicator of pollution level? A. Algae B. Arctic fungi C. Lichen D. Mycorrhizae What type of living thing is used as an indicator of pollution level? A. Algae B. Arctic fungi C. Lichen D. Mycorrhizae Mosses belong to which group listed below? A. Vascular plants B. Gymnosperms C. Non-vascular plants D. Angiosperms Mosses belong to which group listed below? A. Vascular plants B. Gymnosperms C. Non-vascular plants D. Angiosperms In what way does a cuticle help a leaf? A. To have brighter color B. Retain moisture C. To grow faster D. Capture sunlight In what way does a cuticle help a leaf? A. To have brighter color B. Retain moisture C. To grow faster D. Capture sunlight Ferns produce which structure below in place of seeds? A. Flowers B. Water C. Cones D. Spores Ferns produce which structure below in place of seeds? A. Flowers B. Water C. Cones D. Spores Where do you often find gymnosperm seeds? A. In a flower B. In the bark of a tree C. On the cone D. On the root Where do you often find gymnosperm seeds? A. In a flower B. In the bark of a tree C. On the cone D. On the root What is required for germination to occur? A. Water and light B. Pollination C. Soil D. A cotyledon What is required for germination to occur? A. Water and light B. Pollination C. Soil D. A cotyledon How are annelids different from other organisms studies so far? A. They are parasitic B. They contain segmented body parts C. They eat decaying organic matter D. They live in moist habitats How are annelids different from other organisms studies so far? A. They are parasitic B. They contain segmented body parts C. They eat decaying organic matter D. They live in moist habitats Which class has the most members? A. Arthropoda B. Insecta C. Arachnida D. Crustacean Which class has the most members? A. Arthropoda B. Insecta C. Arachnida D. Crustacean The only invertebrates with the ability to fly are A. Arachnids B. Crustaceans C. Insects D. Mollusks The only invertebrates with the ability to fly are A. Arachnids B. Crustaceans C. Insects D. Mollusks Frogs, salamanders, and toads are A. Reptiles B. Amphibians C. Arthropods D. Mammals Frogs, salamanders, and toads are A. Reptiles B. Amphibians C. Arthropods D. Mammals An example of an egg-laying mammal is A. A kangaroo B. A platypus C. An elephant D. A bat An example of an egg-laying mammal is A. A kangaroo B. A platypus C. An elephant D. A bat Animals with the most highly developed brains, capable of reasoning, planning, and learning are A. Kangaroos B. Monkeys C. Humans D. Whales Animals with the most highly developed brains, capable of reasoning, planning, and learning are A. Kangaroos B. Monkeys C. Humans D. Whales The group of mammals whose offspring are delivered very early in development and complete development in a pouch are A. Monotremes B. Marsupials C. Placentals D. Reptiles The group of mammals whose offspring are delivered very early in development and complete development in a pouch are A. Monotremes B. Marsupials C. Placentals D. Reptiles Which of the following is true about the connection between parental care and learning? A. More parental care, more learned behaviors B. More parental care, fewer learned behaviors C. Less parental care, more learned behaviors D. Less parental care, all behavior is learned Which of the following is true about the connection between parental car and learning? A. More parental care, more learned behaviors B. More parental care, fewer learned behaviors C. Less parental care, more learned behaviors D. Less parental care, all behavior is learned A cat might raise the hair on its back to A. Appear gentle B. Appear intimidating C. Attract a mate D. Conserve heat A cat might raise the hair on its back to A. Appear gentle B. Appear intimidating C. Attract a mate D. Conserve heat Milkweed, tobacco, and peyote have adapted which type of measures to protect themselves? A. Behavioral B. Physical C. Chemical D. Territorial Milkweed, tobacco, and peyote have adapted which type of measures to protect themselves? A. Behavioral B. Physical C. Chemical D. Territorial Why is it beneficial for some insects to be able to blend in with their surroundings? A. It protects them from predators B. It allows them to regulate body temperature C. It helps them find a mate D. It protects their territory Why is it beneficial for some insects to be able to blend in with their surroundings? A. It protects them from predators B. It allows them to regulate body temperature C. It helps them find a mate D. It protects their territory Why do scientist find it useful to use a classification system to group organisms? A. Easier to learn about them B. Helps avoid duplication of names C. Organizes all information D. All of the above Why do scientist find it useful to use a classification system to group organisms? A. Easier to learn about them B. Helps avoid duplication of names C. Organizes all information D. All of the above The group of plants divided into monocots and dicots are A. Angiosperm B. Bryophytes C. Conifers D. Gymnosperm The group of plants divided into monocots and dicots are A. Angiosperm B. Bryophytes C. Conifers D. Gymnosperm What is formed during the process of fertilization when gametes fuse? A. Fetus B. Embryo C. Zygote D. Larva What is formed during the process of fertilization when gametes fuse? A. Fetus B. Embryo C. Zygote D. Larva One group of animals provides parental care, and their bodies produce food for their young. Which group is it? A. Reptiles B. Mammals C. Birds D. Amphibians One group of animals provides parental care, and their bodies produce food for their young. Which group is it? A. Reptiles B. Mammals C. Birds D. Amphibians How do annelids move through their environment? A. Through successive contractions of segmented muscles B. By moving their setae similar to cillia C. Annelids are sessile and do not move D. Through specialized valves that contract to move liquid from one compartment to another How do annelids move through their environment? A. Through successive contractions of segmented muscles B. By moving their setae similar to cillia C. Annelids are sessile and do not move D. Through specialized valves that contract to move liquid from one compartment to another Animals such as flatworms and earthworms that have both male and female reproductive organs are A. Arachnids B. Dioecious C. Hermaphrodites D. Angiosperms Animals such as flatworms and earthworms that have both male and female reproductive organs are A. Arachnids B. Dioecious C. Hermaphrodites D. Angiosperms Beetles, bees, and flies have a larval stage in their development in which the young organisms look very different than their adult counterparts. These insects then enter a pupal stage where marked changes in body form take place after which an adult emerges. This type of development is A. Incomplete metamorphosis B. Complete metamorphosis C. Placental D. Differentiation Beetles, bees, and flies have a larval stage in their development in which the young organisms look very different than their adult counterparts. These insects then enter a pupal stage where marked changes in body form take place after which an adult emerges. This type of development is A. Incomplete metamorphosis B. Complete metamorphosis C. Placental D. Differentiation Water escapes from plants through tiny openings called A. Stomata B. Root hairs C. Root cap D. Cotyledon Water escapes from plants through tiny openings called A. Stomata B. Root hairs C. Root cap D. Cotyledon Roots anchor plants, take in water and minerals, and A. Produce stomata B. Produce sugars C. Store food D. Carry on transpiration Roots anchor plants, take in water and minerals, and A. Produce stomata B. Produce sugars C. Store food D. Carry on transpiration Which phase of the alternation of generations contains haploid cells? A. Gametophytes B. Placenta C. Sporophyte D. Cotyledon Which phase of the alternation of generations contains haploid cells? A. Gametophytes B. Placenta C. Sporophyte D. Cotyledon Where do annelids live? A. In the ocean B. On land C. In both the ocean and on land D. Inside plants Where do annelids live? A. In the ocean B. On land C. In both the ocean and on land D. Inside plants Which plant group is evergreen, has seeds in a cone and has xylem and phloem? A. Gymnosperms B. Angiosperms C. Bryophytes D. Gametophyte Which plant group is evergreen, has seeds in a cone and has xylem and phloem? A. Gymnosperms B. Angiosperms C. Bryophytes D. Gametophyte The health and stability of this group of ectothermic animals is used as an indicator of pollution in areas where they live because theirr moist, mucuscovered skin provides little protection. A. Amphibians B. Reptiles C. Mammals D. Arachnids The health and stability of this group of ectothermic animals is used as an indicator of pollution in areas where they live because theirr moist, mucuscovered skin provides little protection. A. Amphibians B. Reptiles C. Mammals D. Arachnids The two major divisions of the kingdom Plantae are A. Gymnosperm and angiosperm B. Vascular and non-vascular C. Mosses and ferns D. Monocots and dicots The two major divisions of the kingdom Plantae are A. Gymnosperm and angiosperm B. Vascular and non-vascular C. Mosses and ferns D. Monocots and dicots GOAL 4 Immune Response What type of microorganism often causes fever as a symptom? A. Fungi B. Bacteria C. Virus D. Protist What type of microorganism often causes fever as a symptom? A. Fungi B. Bacteria C. Virus D. Protist A unicellular microorganism enters the human body from the bite of a fly and causes a disease. What type of microorganism likely caused the disease? A. Fungi B. Bacteria C. Virus D. Protist A unicellular microorganism enters the human body from the bite of a fly and causes a disease. What type of microorganism likely caused the disease? A. Fungi B. Bacteria C. Virus D. Protist A microorganism called Trichuris trichiura can live in the human body for many years causing harm to the human. What type of microorganism is likely causing harm to the human? A. Fungi B. Bacteria C. Virus D. Parasite A microorganism called Trichuris trichiura can live in the human body for many years causing harm to the human. What type of microorganism is likely causing harm to the human? A. Fungi B. Bacteria C. Virus D. Parasite A microorganism called Trichuris trichiura can live in the human body for many years causing harm to the human. What type of microorganism is likely causing harm to the human? A. Fungi B. Bacteria C. Virus D. Parasite Which factor below do NOT affect the incidence of fungal infections? A. pH of skin B. Cell cycle time C. Fatty acid content of cells D. Cellular receptor site Which factor below do NOT affect the incidence of fungal infections? A. pH of skin B. Cell cycle time C. Fatty acid content of cells D. Cellular receptor site Which type of food listed below would be considered the healthiest? A. Pizza B. Fried chicken fingers C. Caramel dipped apple slices D. Broiled chicken breast Which type of food listed below would be considered the healthiest? A. Pizza B. Fried chicken fingers C. Caramel dipped apple slices D. Broiled chicken breast Which of the following is a mineral? A. Pepsin B. Potassium C. Phosphate D. ATP Which of the following is a mineral? A. Pepsin B. Potassium C. Phosphate D. ATP How can you reduce your chances of developing diseases? A. Get regular exercise B. Eat right C. Don’t smoke D. All of the above How can you reduce your chances of developing diseases? A. Get regular exercise B. Eat right C. Don’t smoke D. All of the above How do toxins increase your chances for developing a disease? A. They use the cell’s machinery to produce viral particles B. They weaken the overall health of the organism C. They cause fever D. All of the above How do toxins increase your chances for developing a disease? A. They use the cell’s machinery to produce viral particles B. They weaken the overall health of the organism C. They cause fever D. All of the above What is one way fats are used by the human body? A. Proper brain function B. Protein synthesis C. Blood clotting D. Prevents scars What is one way fats are used by the human body? A. Proper brain function B. Protein synthesis C. Blood clotting D. Prevents scars Which microorganism often causes disease on the skin or nail? A. Bacteria B. Fungi C. Virus D. Protists Which microorganism often causes disease on the skin or nail? A. Bacteria B. Fungi C. Virus D. Protists Which factor listed below would not help you remain healthy? A. Limit stress B. Use tobacco C. Get regular exercise D. Eat a rainbow of colors each day Which factor listed below would not help you remain healthy? A. Limit stress B. Use tobacco C. Get regular exercise D. Eat a rainbow of colors each day Which factor listed below does not contribute to disease in humans? A. Genetics B. Toxins C. Immune response D. Symptoms Which factor listed below does not contribute to disease in humans? A. Genetics B. Toxins C. Immune response D. Symptoms Food poisoning is often caused by A. Viruses B. Bacteria C. Genetics D. Protist Food poisoning is often caused by A. Viruses B. Bacteria C. Genetics D. Protist What does histamine do? A. Cause expansion of capillaries B. Increases fever C. Causes disease D. Relieves pain What does histamine do? A. Cause expansion of capillaries B. Increases fever C. Causes disease D. Relieves pain Which of the following organisms is not a pathogen? A. Bacteria B. Fungi C. Protists D. Annelid worms Which of the following organisms is not a pathogen? A. Bacteria B. Fungi C. Protists D. Annelid worms Your pet cat gets sick. You take her to the vet and the vet tells you she has a respiratory virus. What are the chances your cat will make you sick? A. Very likely B. Likely C. Unlikely D. Very unlikely Your pet cat gets sick. You take her to the vet and the vet tells you she has a respiratory virus. What are the chances your cat will make you sick? A. Very likely B. Likely C. Unlikely D. Very unlikely A type of conifer has become specially adapted to grow on mountain tops. This plant has short, thick stems, which reduces the overall height of the plant. The same plant species found in lower elevations is not as successful as the mountain top variety. Why is this plant so successful at higher elevations with adaptations that limit its overall growth? A. B. C. D. These adaptations help the plant overcome the poor nutrient content of the soil These adaptations help the plant overcome the mechanical stress of the wind These adaptations help the plant overcome the low oxygen content in the air These adaptations do not help the plant in any way, the success of the plant is a result of reduced competition at high elevations. A type of conifer has become specially adapted to grow on mountain tops. This plant has short, thick stems, which reduces the overall height of the plant. The same plant species found in lower elevations is not as successful as the mountain top variety. Why is this plant so successful at higher elevations with adaptations that limit its overall growth? A. B. C. D. These adaptations help the plant overcome the poor nutrient content of the soil These adaptations help the plant overcome the mechanical stress of the wind These adaptations help the plant overcome the low oxygen content in the air These adaptations do not help the plant in any way, the success of the plant is a result of reduced competition at high elevations. Octopi are highly intelligent invertebrates that exhibit a variety of complex behaviors. Which of the following is a genetic characteristic, rather than a behavior? A. B. C. D. Octopi are able to open a jar after they watch it demonstrated once Octopi can escape from their aquariums to steal food from another aquarium Octopi often “play” by catching and releasing objects in the current surrounding them Octopi have excellent short term and long term memories Octopi are highly intelligent invertebrates that exhibit a variety of complex behaviors. Which of the following is a genetic characteristic, rather than a behavior? A. B. C. D. Octopi are able to open a jar after they watch it demonstrated once Octopi can escape from their aquariums to steal food from another aquarium Octopi often “play” by catching and releasing objects in the current surrounding them Octopi have excellent short term and long term memories Circadian rhythms, followed by both plants and animals, are a response to what main environmental factor? A. Temperature B. Wind C. Sunlight D. Rain fall Circadian rhythms, followed by both plants and animals, are a response to what main environmental factor? A. Temperature B. Wind C. Sunlight D. Rain fall Grey wolves howl to announce their presence to other wolf packs and to reinforce bonds within their pack. Pack leaders also spray “scent” markers on trees and other landmarks. What type of behavior are these wolves exhibiting? A. Courting B. Territoriality C. Hibernation D. Habituation Grey wolves howl to announce their presence to other wolf packs and to reinforce bonds within their pack. Pack leaders also spray “scent” markers on trees and other landmarks. What type of behavior are these wolves exhibiting? A. Courting B. Territoriality C. Hibernation D. Habituation The current classification system does not take into account which biological theory? A. Cell theory B. Evolution C. Spontaneous generation D. Natural selection The current classification system does not take into account which biological theory? A. Cell theory B. Evolution C. Spontaneous generation D. Natural selection Which grouping of living things is all inclusive? A. Family B. Species C. Class D. Kingdom Which grouping of living things is all inclusive? A. Family B. Species C. Class D. Kingdom How are fungi and plants not similar? A. They both have cell walls B. They both trap energy through photosynthesis C. They both cannot move D. They both can reproduce using budding How are fungi and plants not similar? A. They both have cell walls B. They both trap energy through photosynthesis C. They both cannot move D. They both can reproduce using budding What abiotic condition are non-vascular plants mainly dependent upon for survival? A. Temperature B. Soil C. Water D. Elemental sulfur What abiotic condition are non-vascular plants mainly dependent upon for survival? A. Temperature B. Soil C. Water D. Elemental sulfur What abiotic condition are seedless non-vascular plants mainly dependent upon for reproduction? A. Temperature B. Soil C. Water D. Elemental sulfur What abiotic condition are seedless non-vascular plants mainly dependent upon for reproduction? A. Temperature B. Soil C. Water D. Elemental sulfur How are viral diseases prevented? A. With antibiotics B. With vaccines C. With fungicides D. You cannot prevent viral diseases How are viral diseases prevented? A. With antibiotics B. With vaccines C. With fungicides D. You cannot prevent viral diseases GOAL 5 Interactions in the Environment The area in which certain types of plants or animals can be found living in close proximity to each other is called a A. Habitat B. Community C. Niche D. Kingdom The area in which certain types of plants or animals can be found living in close proximity to each other is called a A. Habitat B. Community C. Niche D. Kingdom A British ecologist stated the importance of realizing an organism’s role in the ecosystem as follows: “When an ecologist sees a badger, they should include in their thoughts some definitive idea of the animal’s place in the community to which it belongs.” What does this statement describe? A. An animal’s habitat B. An animal’s niche C. An animal’s community D. An animal’s ecosystem A British ecologist stated the importance of realizing an organism’s role in the ecosystem as follows: “When an ecologist sees a badger, they should include in their thoughts some definitive idea of the animal’s place in the community to which it belongs.” What does this statement describe? A. An animal’s habitat B. An animal’s niche C. An animal’s community D. An animal’s ecosystem The giant noctule bat predates mainly upon insects during the summer months, and on migrating songbirds during autumn and spring. The bat attacks the birds at night from several hundred meters in the air. Duringg the day the bat roosts in trees. What do these sentences describe. A. Community B. Habitat C. Biome D. Niche The giant noctule bat predates mainly upon insects during the summer months, and on migrating songbirds during autumn and spring. The bat attacks the birds at night from several hundred meters in the air. Duringg the day the bat roosts in trees. What do these sentences describe. A. Community B. Habitat C. Biome D. Niche Nitrogen, oxygen, and carbon dioxide are among the most biologically important atmospheric gases. What are these called? A. Abiotic factors B. Biotic factors C. Biospheric factors D. Habitat factors Nitrogen, oxygen, and carbon dioxide are among the most biologically important atmospheric gases. What are these called? A. Abiotic factors B. Biotic factors C. Biospheric factors D. Habitat factors A hinny is the offspring of a male horse and a female donkey. Like mules, hinnies are almost always sterile. This confirms that A. A mule and a donkey are different species B. A mule and a hinny are different species C. A horse and a donkey are different species D. A horse and a hinny are different species A hinny is the offspring of a male horse and a female donkey. Like mules, hinnies are almost always sterile. This confirms that A. A mule and a donkey are different species B. A mule and a hinny are different species C. A horse and a donkey are different species D. A horse and a hinny are different species The relationship between two members of a community in which one member harms another by its presence is A. Parasitism B. Commensalism C. Mutualism D. Dependency The relationship between two members of a community in which one member harms another by its presence is A. Parasitism B. Commensalism C. Mutualism D. Dependency A bee goes from flower to flower, gathering nectar. At each stop, the furry body and legs accumulate pollen from the flower, which the bee transfers as it moves. The flower needs pollen to reproduce and the bee needs nectar to eat. What kind of relationship is this? A. Parasitism B. Commensalism C. Mutualism D. Dependency A bee goes from flower to flower, gathering nectar. At each stop, the furry body and legs accumulate pollen from the flower, which the bee transfers as it moves. The flower needs pollen to reproduce and the bee needs nectar to eat. What kind of relationship is this? A. Parasitism B. Commensalism C. Mutualism D. Dependency Tapeworms are long, flat worms that can live in the intestines of animals, including humans. The tapeworm feeds off the food that the host animal consumes, and the host animal loses nutrition as a result. What kind of relationship is this? A. Parasitism B. Commensalism C. Mutualism D. Predation Tapeworms are long, flat worms that can live in the intestines of animals, including humans. The tapeworm feeds off the food that the host animal consumes, and the host animal loses nutrition as a result. What kind of relationship is this? A. Parasitism B. Commensalism C. Mutualism D. Predation A mother cuckoo lays her egg in the nest of a warbler, then flies away. The warbler raises the baby cuckoo along with her own babies. The cuckoo baby grows quickly, becoming massive compared to the warbler babies. At some point, the baby cuckoo pushes the warbler babies out of the nest in order to make more room for itself. What does this scenario describe? A. Parasitism B. Predation C. Intraspecies competition D. Interspecies competition A mother cuckoo lays her egg in the nest of a warbler, then flies away. The warbler raises the baby cuckoo along with her own babies. The cuckoo baby grows quickly, becoming massive compared to the warbler babies. At some point, the baby cuckoo pushes the warbler babies out of the nest in order to make more room for itself. What does this scenario describe? A. Parasitism B. Predation C. Intraspecies competition D. Interspecies competition Which of the following is not true regarding predation? A. B. C. D. Predation helps maintain an ecological balance Predators keep the number of prey animals under control Predators choose the sick and weak prey because they are easier to catch Predators choose the sick and weak prey because they are trying to maintain ecological balance Which of the following is not true regarding predation? A. B. C. D. Predation helps maintain an ecological balance Predators keep the number of prey animals under control Predators choose the sick and weak prey because they are easier to catch Predators choose the sick and weak prey because they are trying to maintain ecological balance A density-dependent factor A. B. C. D. Limits a population in a given area regardless of size Limits the population when the population reaches a certain size May include weather or a natural disaster Often affects small, sparse populations A density-dependent factor A. B. C. D. Limits a population in a given area regardless of size Limits the population when the population reaches a certain size May include weather or a natural disaster Often affects small, sparse populations Anything that restricts a population is called a A. Bad omen B. Restricting factor C. Predator D. Limiting factor Anything that restricts a population is called a A. Bad omen B. Restricting factor C. Predator D. Limiting factor A population will tend to grow if A. It has no environmental limitations B. The number of births exceeds the number of deaths The immigration rate exceeds the emigration rate All of the above C. D. A population will tend to grow if A. It has no environmental limitations B. The number of births exceeds the number of deaths The immigration rate exceeds the emigration rate All of the above C. D. An active volcano under the ocean erupts, and the build-p of cooled lava eventually forms a new island. What type of succession will immediately occur on the newly formed island? A. Primary succession B. Secondary succession C. Both primary and secondary succession D. No succession An active volcano under the ocean erupts, and the build-p of cooled lava eventually forms a new island. What type of succession will immediately occur on the newly formed island? A. Primary succession B. Secondary succession C. Both primary and secondary succession D. No succession Which two organisms below share a trophic level? A. Elephant and lion B. Cheetahs and giraffes C. Chipmunks and squirrels D. Wolves and sparrows Which two organisms below share a trophic level? A. Elephant and lion B. Cheetahs and giraffes C. Chipmunks and squirrels D. Wolves and sparrows The owl is a nocturnal hunter of small mammals, insects and other birds. An owl is an example of a/an A. Producer B. Omnivore C. Carnivore D. Decomposer The owl is a nocturnal hunter of small mammals, insects and other birds. An owl is an example of a/an A. Producer B. Omnivore C. Carnivore D. Decomposer Which food would an herbivore always avoid? A. Worms B. Clover C. Pine nuts D. Grass Which food would an herbivore always avoid? A. Worms B. Clover C. Pine nuts D. Grass Emperor penguins feed mostly on crustaceans, such as krill. They are prey to orca whales and leopard seals. What ecological role does the Emperor penguin play? (Krill are zooplankton that feed on plankton) A. Producer B. Primary Consumer C. Secondary Consumer D. Top Consumer Emperor penguins feed mostly on crustaceans, such as krill. They are prey to orca whales and leopard seals. What ecological role does the Emperor penguin play? (Krill are zooplankton that feed on plankton) A. Producer B. Primary Consumer C. Secondary Consumer D. Top Consumer Nitrogen-fixing bacteria perform which task? A. Convert nitrogen into ammonia B. Convert nitrogen into animal protein C. Convert ammonia into nitrite D. Convert nitrogen to plant protein Nitrogen-fixing bacteria perform which task? A. Convert nitrogen into ammonia B. Convert nitrogen into animal protein C. Convert ammonia into nitrite D. Convert nitrogen to plant protein Metabolic processes depend on which factor listed below? A. Carbon B. Nitrogen C. Fresh water D. Phosphorous Metabolic processes depend on which factor listed below? A. Carbon B. Nitrogen C. Fresh water D. Phosphorous What is the main component of organic molecules? A. Phosphorous B. Carbon C. Nitrogen D. Carbon dioxide What is the main component of organic molecules? A. Phosphorous B. Carbon C. Nitrogen D. Carbon dioxide How do plants use nitrogen? A. To make sugar B. To attract pollinators C. To make proteins and nucleic acids D. To transport water to their leaves How do plants use nitrogen? A. To make sugar B. To attract pollinators C. To make proteins and nucleic acids D. To transport water to their leaves What is the process by which water is transferred to the atmosphere by plants and trees called? A. Evaporation B. Respiration C. Condensation D. Transpiration What is the process by which water is transferred to the atmosphere by plants and trees called? A. Evaporation B. Respiration C. Condensation D. Transpiration Which of the following compounds is an organic compound? A. CO2 B. CH4 C. NO3- D. H 2O Which of the following compounds is an organic compound? A. CO2 B. CH4 C. NO3- D. H 2O What are biotic factors? A. Living factors B. Lipid factors C. Non-living factors D. Always unicellular factors What are biotic factors? A. Living factors B. Lipid factors C. Non-living factors D. Always unicellular factors What is a place where a member of a community lives and finds food called? A. Pond B. Biome C. Habitat D. Residence What is a place where a member of a community lives and finds food called? A. Pond B. Biome C. Habitat D. Residence Unusual weather will A. Affect all individuals within a population B. Only affect small populations of organisms C. Only affect large populations of organisms D. Have no affect on populations Unusual weather will A. Affect all individuals within a population B. Only affect small populations of organisms C. Only affect large populations of organisms D. Have no affect on populations Which of the following most likely would be part of the first community on a newly formed volcanic island? A. Pine trees B. Oak trees C. Lichen D. Sea gulls Which of the following most likely would be part of the first community on a newly formed volcanic island? A. Pine trees B. Oak trees C. Lichen D. Sea gulls In the nutrient cycle, producers use carbon dioxide in the process of A. Respiration B. Recycling C. Decomposition D. Photosynthesis In the nutrient cycle, producers use carbon dioxide in the process of A. Respiration B. Recycling C. Decomposition D. Photosynthesis Nitrogen makes up _______ of the atmosphere. A. 25% B. 33% C. 78% D. 92% Nitrogen makes up _______ of the atmosphere. A. 25% B. 33% C. 78% D. 92% During the nitrogen cycle, a plant converts the nitrates in the soil to A. Plant protein B. Fat C. Fertilizer D. Carbohydrates During the nitrogen cycle, a plant converts the nitrates in the soil to A. Plant protein B. Fat C. Fertilizer D. Carbohydrates Man-of-war fish cluster around the venomous tentacles of jellyfish to escape larger predators. The presence of the man-of-war fish does not harm or benefit the jellyfish. This type of relationship is called A. Parasitism B. Commensalism C. Succession D. Mutualism Man-of-war fish cluster around the venomous tentacles of jellyfish to escape larger predators. The presence of the man-of-war fish does not harm or benefit the jellyfish. This type of relationship is called A. Parasitism B. Commensalism C. Succession D. Mutualism A symbiotic relationship means A. The energy cycle is not involved B. No one benefits C. The solar system is involved D. One or both parties benefit A symbiotic relationship means A. The energy cycle is not involved B. No one benefits C. The solar system is involved D. One or both parties benefit Red foxes are nocturnal and live in the meadows and forest edges. They are predators to small mammals, amphibians, and insects. The scraps that red foxes leave behind provide food for scavengers and decomposers. The preceding sentences describe the red fox’s A. Community B. Prey C. Niche D. Food web Red foxes are nocturnal and live in the meadows and forest edges. They are predators to small mammals, amphibians, and insects. The scraps that red foxes leave behind provide food for scavengers and decomposers. The preceding sentences describe the red fox’s A. Community B. Prey C. Niche D. Food web GOAL 5 Environmental Awareness Humans have altered the carbon cycle by A. B. C. D. Digging up the stored nutrient resources and combusting them during industrial processes. Damming rivers and lakes. Increasing the rate at which land-based nitrogen is released into the environment. All of the above Humans have altered the carbon cycle by A. B. C. D. Digging up the stored nutrient resources and combusting them during industrial processes. Damming rivers and lakes. Increasing the rate at which land-based nitrogen is released into the environment. All of the above When the top predator of an ecosystem is eradicated, A. B. C. D. Other animals attempt to fill the niche unsuccessfully The ecosystem continues to function normally Humans are pleased The entire ecosystem crashes and is incapable of ever recovering When the top predator of an ecosystem is eradicated, A. B. C. D. Other animals attempt to fill the niche unsuccessfully The ecosystem continues to function normally Humans are pleased The entire ecosystem crashes and is incapable of ever recovering Air pollution is being reduced through A. Automobiles having emission controls B. Salting of clouds C. Collecting methane produced by cattle D. Slower driving speeds on roads Air pollution is being reduced through A. Automobiles having emission controls B. Salting of clouds C. Collecting methane produced by cattle D. Slower driving speeds on roads Business that follow principles of sustainable development A. Only think about money B. Think only about the present C. Think about present and future needs D. Don’t care about a healthy planet Business that follow principles of sustainable development A. Only think about money B. Think only about the present C. Think about present and future needs D. Don’t care about a healthy planet If the environment is healthy, then A. People are healthier B. There are more diseases C. There are fewer plants on earth D. There is less development If the environment is healthy, then A. People are healthier B. There are more diseases C. There are fewer plants on earth D. There is less development If a farmer alternates the planting of soybeans with his regular crop, he is probably A. Using legume crop rotation B. Using sustainable practices C. Using non-sustainable practices D. A and B only If a farmer alternates the planting of soybeans with his regular crop, he is probably A. Using legume crop rotation B. Using sustainable practices C. Using non-sustainable practices D. A and B only Using sustainable practice techniques is important because A. B. C. D. Humans are the most important organism on the planet Ecosystems are nice to look at As human beings, it is our job to keep the planet going for future generations As the human population increases so does the demand on natural resources Using sustainable practice techniques is important because A. B. C. D. Humans are the most important organism on the planet Ecosystems are nice to look at As human beings, it is our job to keep the planet going for future generations As the human population increases so does the demand on natural resources Practices that will help prevent the depletion of naturalal resources are A. Sustainable use by reducing, reusing, and recycling products B. Using only natural renewable resources C. Increasing consumption of renewable resources D. Returning to subsistence lifestyles Practices that will help prevent the depletion of naturalal resources are A. Sustainable use by reducing, reusing, and recycling products B. Using only natural renewable resources C. Increasing consumption of renewable resources D. Returning to subsistence lifestyles Earth’s natural resources are A. Evenly distributed B. All in the poles C. Concentrated in different areas D. All along the equator Earth’s natural resources are A. Evenly distributed B. All in the poles C. Concentrated in different areas D. All along the equator How can people reduce the amount of resources they use? A. B. C. D. Write to their congressional representatives to ask for more landfills Make sure that products use extra packaging materials so it is easier for people to use Use water, electricity, and gas efficiently and recycle metal, paper, and glass Think only about what you need right now and not about the big picture How can people reduce the amount of resources they use? A. B. C. D. Write to their congressional representatives to ask for more landfills Make sure that products use extra packaging materials so it is easier for people to use Use water, electricity, and gas efficiently and recycle metal, paper, and glass Think only about what you need right now and not about the big picture Humans have interrupted the carbon cycle by A. Allowing more rock surfaces to weather B. Drilling and using fossil fuels C. Polluting the ocean, so that carbon can no longer be naturally stored there D. Living longer, thereby storing more carbon in their tissues Humans have interrupted the carbon cycle by A. Allowing more rock surfaces to weather B. Drilling and using fossil fuels C. Polluting the ocean, so that carbon can no longer be naturally stored there D. Living longer, thereby storing more carbon in their tissues Humans can reduce the amount of nitrogen introduced into the ecosystem through A. Use of fewer pesticides B. Use of fewer fertilizers C. Use of more fertilizers D. None of the above Humans can reduce the amount of nitrogen introduced into the ecosystem through A. Use of fewer pesticides B. Use of fewer fertilizers C. Use of more fertilizers D. None of the above The greenhouse effect may be responsible for A. Global warming B. Thermal pollution C. Photosynthesis D. Clear cutting of rain forest The greenhouse effect may be responsible for A. Global warming B. Thermal pollution C. Photosynthesis D. Clear cutting of rain forest Humans sometimes use chemical fertilizers to help agricultural crops grow faster. These fertilizers usually contain large quantities of nitrogen and phosphorous. The use of these substances are harmful because A. B. C. D. The manufacture of these chemicals creates more nitrogen and phosphorous on earth Only plants in or near an agriculture area can benefit from the addition of fertilizers The addition of these chemicals alters the natural nitrogen and phosphorous cycle, causing an increase in plant matter in the ecosystem and the local water shed The addition of chemical fertilizers contributes to an increase in greenhouse gases found in the atmosphere Humans sometimes use chemical fertilizers to help agricultural crops grow faster. These fertilizers usually contain large quantities of nitrogen and phosphorous. The use of these substances are harmful because A. B. C. D. The manufacture of these chemicals creates more nitrogen and phosphorous on earth Only plants in or near an agriculture area can benefit from the addition of fertilizers The addition of these chemicals alters the natural nitrogen and phosphorous cycle, causing an increase in plant matter in the ecosystem and the local water shed The addition of chemical fertilizers contributes to an increase in greenhouse gases found in the atmosphere Which statement below is true of global warming? A. Can be real threat to human existence only B. A natural process humans cannot change C. Is a fully tested theory D. Is not really a problem Which statement below is true of global warming? A. Can be real threat to human existence only B. A natural process humans cannot change C. Is a fully tested theory D. Is not really a problem The human population growth A. Will stop at a natural reasonable number B. Is in the middle of an exponential growth curve C. Will never stop or slow down D. Will not strain the planet’s natural resources The human population growth A. Will stop at a natural reasonable number B. Is in the middle of an exponential growth curve C. Will never stop or slow down D. Will not strain the planet’s natural resources Which of the following are decomposers? A. Viruses and bacteria B. Bacteria only C. Fungi and bacteria D. Fungi only Which of the following are decomposers? A. Viruses and bacteria B. Bacteria only C. Fungi and bacteria D. Fungi only Omnivores are A. Producers B. Primary consumers C. Secondary consumers D. Both primary and secondary consumers Omnivores are A. Producers B. Primary consumers C. Secondary consumers D. Both primary and secondary consumers Which type of species interaction did Darwin most credit with shaping organism forms and funciton? A. Predator/prey B. Mutualistic C. Parasitic D. Commensalistic Which type of species interaction did Darwin most credit with shaping organism forms and funciton? A. Predator/prey B. Mutualistic C. Parasitic D. Commensalistic Osedax mucofloris is one species hat is in the genus of polycheate worms. These worms live in the ocean. They are sometimes called “bone-eating snot-flowers” because of their unusual lifestyles. These worms bore into whale carcasses to eat whale fat and oils contained within bone marrow. Osedax use bacteria to digest their food and are found living in whale bones. What does this passage describe. A. Community B. Population C. Habitat D. Abiotic factor Osedax mucofloris is one species hat is in the genus of polycheate worms. These worms live in the ocean. They are sometimes called “bone-eating snot-flowers” because of their unusual lifestyles. These worms bore into whale carcasses to eat whale fat and oils contained within bone marrow. Osedax use bacteria to digest their food and are found living in whale bones. What does this passage describe. A. Community B. Population C. Habitat D. Abiotic factor The subclass Hirudinea is made up of annelid worms more commonly called leeches. A few members of this class of organisms are blood-sucking and rely on the fluids from other animals for survival. What type of species interaction does this describe? A. Predator/prey B. Mutualistic C. Parasitic D. Commensalistic The subclass Hirudinea is made up of annelid worms more commonly called leeches. A few members of this class of organisms are blood-sucking and rely on the fluids from other animals for survival. What type of species interaction does this describe? A. Predator/prey B. Mutualistic C. Parasitic D. Commensalistic Immediately after a glacier recedes, what type of organism do you find living in the area? A. Lichens B. Grasses C. Shrubs D. Trees Immediately after a glacier recedes, what type of organism do you find living in the area? A. Lichens B. Grasses C. Shrubs D. Trees Which two organisms listed below belong to the same tropic level? A. Butterflies and crayfish B. Snakes and chipmunks C. Birds and earthworms D. Owls and dragonflies Which two organisms listed below belong to the same tropic level? A. Butterflies and crayfish B. Snakes and chipmunks C. Birds and earthworms D. Owls and dragonflies How can you determine is an organism is in the top tropic level? A. By where it lives B. By what it eats C. By how it interacts with other members of its species D. The physical structure of its head How can you determine is an organism is in the top tropic level? A. By where it lives B. By what it eats C. By how it interacts with other members of its species D. The physical structure of its head What type of food will an herbivore always eat? A. Deer B. Herbs C. Hamburger D. Earthworms What type of food will an herbivore always eat? A. Deer B. Herbs C. Hamburger D. Earthworms Driving your car directly impacts with nutrient cycle? A. Nitrogen B. Carbon C. Water D. Phosphorous Driving your car directly impacts with nutrient cycle? A. Nitrogen B. Carbon C. Water D. Phosphorous