Mayra Funes - El Camino College

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Last Name, first: __________________________ _______________
PRETEST PRACTICE QUESTIONS-EXAM#3
Due at the beginning of the exam
Match the term in column A with the best description in column B.
Column A
Column B
1. alga
a. decomposer
2. grasshopper
b. producer
3. rat
c. tertiary consumer
4. eagle
d secondary consumer
5. fungi
e. primary consumer
Column A
6. pollen grain
7. meristem
8. anther
9. ovary
10. sepal
11. petal
Column B
a. attracts pollinators
b. develops into a fruit
c. protects an unopened flower
d. male gamete
e. produces pollen
ab. growth zone
Column A
12. biosphere
13. niche
14. population
15. ecosystem
16. community
17. biome
Column B
a. tundra
b. clumped
c. earth
d. limiting factors
e. dominant and non dominant species
ab. your biological role
Column A
Column B
18. parasitism
a. resource partitioning
19. mutualism
b. +/20. commensalism
c. +/0
21. carrying capacity
d. +/+
22. competitive exclusion e. sigmoid growth curve
Column A
23. moss
24. angiosperm
25. gymnosperm
26. fern
27. dicot
28. monocot
Column B
a. vascular seedless plants
b. non vascular plants
c. 3 petals
d. 5 petals
e. pine tree
ab. vascular plants with fruits
Column A
29. virus
30. fungus
31. alga
32. bacterium
33. protista
34. archae
Column B
a. spirillum shape
b. looks like bacteria but with different cell wall
c. filamentous bodies called hyphae
d. green, red, brown
e. is not a fungus, plant, or animal
ab. capsid and nucleic acid only
MULTIPLE CHOICE
35. Which of the following is the most advanced or derived invertebrate among those listed?
a.Sponges
b.hydras
c.flatworms
d.roundworms
e.earthworms
36. Which of the following organisms exhibit radial symmetry?
a.Flatworms
b.cnidarians
c.roundworms
d.clams
37. The evolutionary order of examples of organisms, from primitive to derived, in animals is:
a.sponges seastars → flatworms → roundworms → segmented worms → molluscs → humans
b.sponges flatworms → roundworms → segmented worms → seastars→ humans
c..sponges seastars → molluscs → flatworms → roundworms → segmented worms → humans
d.sponges → roundworms → flatworms → segmented worms → seastars → humans
e.sponges → molluscs → flatworms → roundworms → segmented worms → seastars → humans
38. Which of these is NOT a characteristic of sponges?
a.sessile filter feeders
b.water enters through a single cavity, the Osculum c.amoeboid cells digest food
39. Which of the following statements about sponges is NOT correct?
a.Sponges have nerve fibers.
B.Sponges have no fully developed muscle fibers.
c.Sponges may reproduce asexually by budding or by regeneration from a small piece.
40. Of the following organisms, which is the most evolutionarily advanced, with a more complex body structure?
a.Roundworms
b.Cnidaria
c.sponges
d.flatworms
41. Which of the following is correct in matching the common name with a phylum name?
a.Planarian: Nematoda b.fluke: Platyhelminthes
c.coral: Porifera
d.roundworm: Cnidaria
42. Which of the following organisms are considered advanced invertebrates with a true coelom?
a.Sponges
b.hydras
c.flatworms
d.roundworms
e.earthworms
43. Which of the following are NOT cnidaria?
a.Corals
b.planaria
c.sea anemones d.hydra
e.Portuguese man-of-war
44. Which statement about cnidaria is NOT true?
a.reproduction is both sexual and asexual.
B.Some forms are sessile and others are motile.
c.They live in either marine or freshwater environments.
D.Tentacles are used to capture prey and put it into the mouth.
The body plan is tube-within-a-tube, with both mouth and anus.
45. Sea anemones belong to the phylum: a.Cnidaria
b.porifera
c.echinoderms
d.roundwormsWhich of the following statements is NOT correct about the flatworms?
a.Flatworms may be either free living or parasitic.
B.Flatworms have a sac body plan, with only a mouth and no anus.
c.Parasitic flatworms have a well-developed head with eyespots and nerves concentrated into a brain.
d.Most planaria are found in marine environments, but some dwell in freshwater and moist terrestrial environments.
47. Which of the following statements is NOT true about the flatworms?
a.Planaria contain pigmented, photosensitive eyespots.
b.flukes are endoparasites in humans only.
c.Schistosomiasis is a common human blood disease caused by flukes in tropical areas.
d.tapeworms are hermaphroditic, having both male and female reproductive structures in each proglottid.
48. The head region of a tapeworm is called the: a.scolex.
b.Anterior
c.caudal
d.dorsal
49. Which statement is NOT correct about the roundworms?
a.There are three layers of tissues in the body.
B.Roundworms have a tube-within-a-tube body plan.
c.There is an internal body cavity called a pseudocoelom.
D.Roundworms have a smooth unsegmented outside body wall.
e.Roundworms are essentially no more than parasitic flatworms that have lost their need to be flat.
50. Which statement is NOT correct about roundworms?
a.There are three layers of tissue in the developing roundworm body.
b.There is an internal body cavity called a pseudocoelom.
C.Roundworms are all parasitic.
51. Larval Trichinella worms live in the: a.muscle of pork. B.Human intestines
c.sheep brain
52. The molluscs look so different, and yet we can tell they are related because they all:
a.have a mantle, visceral mass, and a foot.
B.They are all terrestrial c.they move fast
53. Clams, snails, sea slugs, and octopuses belong to the phylum:
a.Mollusca.
b.Porifera
c.ehinoderm
d.chordates
54. Which are NOT among the phylum Mollusca?
a.Clams
b.squids
c.lobsters
d.snails
55. Which animal has been placed in the wrong group?
a.cnidarians-hydra
b.flatworms-tapeworm
c.annelids-earthworm
d.arthropods-octopus e.echinoderm-starfish
55. Which of these is a bivalve? a.Oyster
b.plananria
c.hydra
d.frog
56. Which of the following is a characteristic of earthworms?
a.segmentation
b.hermaphroditic
c.dorsal solid nerve cord d.all of them
57. To which phylum do leeches belong? a.Annelida
b.plananria
c.hydra
d.frog
58. The largest animal group, both in number of species and number of individuals, is the: a.insects.
b.Fish
c.flatworms
d.crustaceansWhich organism is characterized by having jointed
appendages, ability to molt, and 3 sets of fused segments? a.Arthropods
b.plananria
c.hydra
d.frog
60. Most of the animal species are in which phylum? a.Arthropoda
b.plananria
c.hydra
d.frog
61. The major insect body parts are: a.head, thorax, and abdomen.
B.Several segments
62. Which group has a postanal tail?
a.Chordates
b.vertebrates
c.echinoderms
63. In mammals, hair is used for:
a.Insulation
b.fight germs
c.echinoderms
64. A major difference between plants and animals is that plants acquired during evolution the advantage:
a. alteration generation b. seeds
c. fruits
d. all of them
65. Where do plants come from?
a. animals
b. green algae
c. fungi
d. none of them
66. How do the veins of a dicot leaf look like? They follow a ___________ pattern
a. parallel
b. reticulate
c. either of them
d. none of them
67. Fungi are similar to plants except the absence of ____________
a. movement
b. chlorophyll
c. pollen
d. none of them
68. Plants, animals, and humans are considered:
a. eukaryotes
b. prokaryotes
c. fungi
d. algae
69. Bacteria and archae are types of what?
a. eukaryotes
b. prokaryotes
c. fungi
d. algae
70. What is a decomposer and heterotroph organism?
a. fungus
b. algae
c. Animal
d. plant
71. What are the three shapes of bacteria?
a. coccus
b. bacillus
c. spirillum
d. all of them
72. Examples of bacteria are E coli and:
a. Salmonella
b. Ebola
c. HIV
d. none of them
73. The main cause of acid rain is
a.car and truck exhaust. B) coal powered industry.
C) chlorofluorocarbons. D) chlorinated hydrocarbons.
74. Destruction of the ozone layer is due to
a. car and truck exhaust. B) coal powered industry
C) chlorofluorocarbons
D) chlorinated hydrocarbons.
75. Introduced species can reduce the biodiversity of an area because they
a. may be better competitors for resources than native species.B) don't have natural predators in the new environment.
C) may have more effective adaptations for the environment than native organisms do. D) All answers are correct.
76. Preserving biodiversity is
a. needed to preserve possible direct value from species, such as new medicines.
B) not needed as extinction is a "natural" cycle and should not be disturbed.
C) needed to make sure all niches are filled.
D) not needed as it interferes with industrial development.
77. If the removal of a species causes an ecosystem to collapse, that species is known as a
a.keystone species.
B) endangered species.
C) threatened species.
D) No answer is correct.
78.The way a species makes its living,the biological and physical conditions in which it exists, is called:
A) population.
B) territory.
C) community.
D) niche.
79.In the levels of ecological organization, the lowest level, composed of individuals of a single species who live near each
other, share the same resources, and can potentially interbreed is called a
A) population.
B) community.
C) ecosystem.
D) biome.
80. A major principle of ecology states that no two species can occupy exactly the same niche. One will utilize the resource
more efficiently than the other and will drive the second species to extinction. This is the principle of
A) competition.
B) natural selection.
C) community organization D) competitive exclusion.
81. The following are examples of symbiosis except
a.mutualism
B) predation.
C) parasitism.
D) commensalism.
82. Energy from light is converted into chemical energy for organisms by
A) herbivores.
B) carnivores.
C) producers.
D) detritivores.
83. As energy is transferred from one trophic level to the next, substantial amounts of energy are lost to/as
A) undigestible biomass B) heat.
C) metabolism.
D) All answers are correct.
84. The number of carnivores at the top of an ecological pyramid is limited by
A) the number of organisms below the top carnivores.
B) the number of trophic levels below the top carnivores.
C) the amount of biomass below the top carnivores.
D) the amount of energy transferred to the top carnivores.
85. When the number of organisms remains more or less the same over time in the exact place where these organisms live, it
is said that this population of organisms has reached the ___________ of that place.
A) dispersion
B) biotic potential
C) carrying capacity
D) population density
86. All the animals and plants that live in the same location make up a(n)
A) biome.
B) population.
C) ecosystem.
D) community.
87. For similar species to occupy the same space, their niches must be different in some way. One way for these species to
both survive is
A) competitive exclusion. B) interspecific competition
C) resource partitioning. D) intraspecific competition.
88. A relationship between two species where one species benefits and the other is neither hurt nor helped is known as
A) parasitism.
B) commensalism.
C) mutualism.
D) competition.
89. Predators can assist in maintaining the species diversity of an area by
A) increasing competitive exclusion between prey species.
B) decreasing competitive exclusion between prey species.
C) not affecting competitive exclusion between prey species. D) decreasing resource partitioning between prey species
90. Growth in vascular plants is regulated and coordinated by:
A) photosynthetic tissue. B) root tissue.
C) meristematic tissue.
D) leaf epidermal tissue.
91. Which is not a process that directly assists in water movement from the roots to the leaves?
A) photosynthesis
B) osmotic pressure
C) capillary action
D) transpiration
92. Fruit forms from a flower's:
A) ovary.
B) sepals.
C) carpels.
D) stigma.
93. A major consideration for the evolution of terrestrial plants is the problem of
A) lack of nutrients.
B) predators.
C) dehydration.
D) not enough carbon.
94. Which structures or systems does not give the plants which have them an evolutionary advantage?
A) chloroplasts
B) vascular tissue
C) seeds
D) flowers and fruits
95. What separates the gymnosperms from the rest of the vascular plants is/are
A) a vascular system.
B) ovules completely covered.
C) ovules not completely covered D) fruits and flowers.
96. What separates the angiosperms from the rest of the vascular plants is/are
A) a vascular system.
b) fruits and flowers.
C.) ovules not completely covered by the sporophyte.
98. If the seeds of a plant are encased in a fleshy fruit, then the most likely form of dispersal is:
a.to attach to an animal's fur or skin
b.Wind
c.an animal's digestive system and processes
d.water
99. Bacteria:
a.are prokaryotic
b. been on earth for 2.5 billion years c. the most abundant life form on earth
All are correct
100. Viruses are:
a.protein coats that contain DNA or RNA
b.simple eukaryotic cells C. simple prokaryotic cells
D. Alive
101. The main problem in classifying protists is that:
a. all have a common lifestyle
b. all are unicellular
c. all are photoautotrophic
d. any eukaryotic organism that is not plant, animal, or fungi is a protist
102. The main problem in classifying protists is that:
a.all have a common lifestyle
b.all are unicellular
c. all are photoautotrophic
d. any eukaryotic organism that is not plant, animal, or fungi is a protist
103. Sponges have only a cellular level of organization, not tissue level.
104. Polyps, in contrast to the medusae, are adapted to a sessile life in the cnidarians.
105. Pork should be eaten fully cooked to avoid being infested with tapeworms or Trichinella.
106. An octopus shell is reduced or non-existent.
107. In fish, the vertebral column is made of bone or cartilage.
108. Food chains and food webs describe the feeding relationships between organisms in an ecosystem.
109. The ozone layer filters out UV radiation.
110. Ecosystems include the living organism and non living factors:
111. Ecology is the study of how organism interact with each other and the environment
112. Acid rain is polluted-acidified precipitation produced when sulfur products of industry combine with water vapor in the
air and then fall back to earth as rain or snow and destroys life.
113. Los Angeles is to Boston, as green air city is to gray air city.
114. The main body of a fungus is the flagellum.
115. Fungi reproduce both sexually and asexually
116. Lichens are mutualistic associations between fungi and plants
117. Virus considered a living organism.
118. Sexual reproduction in angiosperms requires male pollen grains
119. The flower shape, scent, and color and presence of nectar in the flowers of some angiosperms are related to the plant's
pollinators3. Mosses do not reach a large size because they lack vascular tissue.
120. One characteristic that separates ferns from more complex vascular plants is that ferns do not have seeds.
121. Flower shape and color can be linked to the process of pollination.
122. The two forms of pollution are Air pollution and Water pollution
123. Changes to rainfall patterns, increases in agricultural yields but increased risks of drought, and melting of ice in glaciers
and the polar ice caps, causing sea level to rise are all effects of Global Warming
124. Individuals of a species that live together clumped, uniform, and random are societies.
125. Mosses are: vascular, no seeds, no flowers
126. Ferns are: Vascular, no seeds, no flowers
127. Gymnosperms are: Vascular, seeds, no flowers
128. Angiosperms are: Vascular, seeds, flowers
129. Leaves with veins that have a net or a reticulate venation are considered dicots
130. Leaves with veins that are parallel are considered dicots
131. Bacteria and archaea are types of prokaryotes
132. Fungi are similar to plants but without chlorophyll
133. Are the meristems the growth zones of plants
134. Are fungi decomposers and heterotrophs?
135. The three shapes of bacteria are: Coccus-triangular, Bacillus-rod, and Spirillum-spiral
136. Tropical rain forest, savannas, deserts, grasslands, taiga, polar ice are examples of populations.
137. How many types of ecosystems are there? There are 3 – land, freshwater, and ocean.
138. Why is Los Angeles called a brown air city? Because of smog – pollutants react with sunlight
139. What is pollination? Pollination is the process where the pollen is transferred from the anthem to the stigma.
140. What are fruits? It is the matured ripened ovary containing fertilized seeds.
141. What is pollination? Process by which pollen is transferred from the anther to the stigma.
142. Where do the insects get the pollen from? They get it from the another.
143. Where do we have the ozone hole? In the south pole.
144. What does the ozone layer do? It filters out UV radiation.
145. Since what year the ozone shield began to disintegrate? In 1975
146. What role CO2 play on earth? Traps the infrared light (or heat)
147. How many pedals does a monocot flower have? It has three
148. How many pedals does a dicot have? More than three pedals.
149. One major difference and classification between monocot and dicot plant is organization of vascular tissue. True
150. It is 90% of all living plants, produce flowers, and embryos can store food reserve in seed leaves: Angiosperm
151. The reason why flowers have colors and fragrance is to attract pollinator such as bees and birds: True
152. Process by which pollen is transferred from anther to stigma is called: Pollination
153. Which of the following is not a kind of epidermal cell? Cork is not an epidermal cell
154. Fleshy fruits that are brightly colored are often dispersed by? birds
155. What does every organism belong to? Trophic level.
156. What is trophic level? Feeding level or steps away from the sun.
157. What’s Populations? Individuals of the same species living species.
158. What are communities? Populations of different species that live together in the same place.
159. What are communities recognized by? Most dominant species.
160. What is ecosystem? A community and the non living factors which it interacts.
161. What are 2 limited factors in ecosystems that affect diversity? Nutrients and energy.
162. What is it called when both species benefit? Mutualism
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