Biology/Honors Biology Fall Semester 2012 Midterm Review Guide Name ________________ CH 1: Science of Biology 1. Fill in the following table with parts of the scientific process. 2. What is the difference between an observation and an Inference? _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ 3. List 8 characteristics of life a. ___________________ b. ___________________ c. ___________________ d. ___________________ Step in the Scientific process Observation Description/Definition Hypothesis Collect information e. ______________ f. _______________ g. ______________ h. ______________ Testing the hypothesis A proposed explanation of the results 4. Place the following list of events in the correct order (1, 2, 3, 4, 5) ___ form a hypothesis ___ record and analyze results ___ draw conclusions ___ask a question ___set up a controlled experiment 5. Using the following scenario: Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group worked without calculators. a. Identify the responding variable ____________________ b. Identify the manipulated variable ___________________ c. Identify the control group _________________________ 6. Create a graph from the following information. Include labels, increments, and a title. The following data was recorded during an experiment with a gas sample. Temperature (K) 250 300 350 400 450 Volume (m3) 10 12 16 20 24 7. Fill in the following diagram with the correct level: Biosphere, species, community, Ecosystem, population, biome 8. Which has a greater value 10,000 cm or 1 km? __________________________________________ ___ CH 3 - The Biosphere 1. Label the organism in the food web as a producer, consumer, herbivore, carnivore, and omnivore. 2. Using the energy pyramid describe the energy transfer between trophic levels. If a toxic pesticide was used explain what would happen to this food chain. __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 3. What organism is responsible for “fixing” the nitrogen in the atmosphere? _____________________ 4. Label the water cycle diagram with the correct terms 5. Identify the following as an autotroph (A) or a heterotrophy (H) a. Daisy ____ d. crocodile ____ b. Rabbit ____ e. bread mold ____ c. Moss ____ f. tapeworm ____ CH 4: Ecosystems and communities 1. What is the green house effect? What gases contribute to the greenhouse effect? ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ _________________ 2. What is succession? ___________________________________________________________________ 3. What is the difference between primary succession and secondary succession? Give an example of each._______________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 4. Identify if the factor is biotic (B) or abiotic (A) a. CO2 ___ d. lichen ___ b. Iron ___ e. soil ___ c. Grass ____ f. water ___ 5. Identify the correct biome. a. Common consumers are antelopes, rabbits, squirrels, and gophers. ________________ b. It is covered with coniferous trees such as pine and spruce._______________________ c. It has permafrost in the ground and a very short growing season.__________________ d. It has a constant temperature and heavy rainfall._______________________________ e. Its main producers are lichens, mosses, grasses, and a few small trees.______________ f. This area is composed largely of deciduous trees with a large canopy._______________ 6. Identify the following as mutualism, parasitism, commensalism or predation a. A flea feeds on mouse blood. __________________ b. Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the left over food scraps from the shark’s meat. ________________ c. The stork uses its saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. ___________ d. Wrasse fish feed on the parasites found on the black sea bass’s body. _______________ e. A cheetah stalks, kills and eats a gazelle. _________________ 7. A forest fire has just destroyed part of Yellowstone National Park. Put the following plants in order of their appearance as the forest begins to re-grow: trees, grasses, moss, lichens, shrubs ____________________________________________________________________________________ CH 5: Populations 1. Identify the four factors that affect population growth a. ________________ c. _________________ b. ________________ d. _________________ 2. What factors allow a population to grow exponentially? Draw a graph of a population that is growing exponentially. _________________________________________ 3. What is carrying capacity? _______________________________ Draw a logistic growth graph. 4. What is a limiting factor? ________________________________ 5. If the number of deaths is greater than the number of births, what Will happen to the population size? ________________________ 6. What are some examples of density-dependent factors? _____________________________________________________ 7. What are some examples of density-independent factors? _____________________________________________________ CH 6: Human Impact 1. What is the difference between a renewable and a nonrenewable resource? Give an example of each. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 2. What effects does deforestation have on the ecosystem? ____________________________________________________________________________________ ____________________________________________________________________________________ 3. Explain biodiversity. ___________________________________________________________________ 4. How are human affecting biodiversity? ____________________________________________________ 5. What is depleting the ozone layer? _______________________________________________________ CH 2: Water/MacromoleculesChemistry of Life 1. ______________ are the basic units of matter. 2. Compounds that transfer electrons have _________________ bonds. 3. Why are water molecules polar? ___________________________________________________ ______________________________________________________________________________ 4. Water molecules are held together by ________________________ bonds. 5. ______________________ is an attraction between molecules of the same substance. ______________________ is an attraction between molecules of different substances. 6. A ______________________ is composed of two or more elements physically combined but not chemically combined. There are two types: 1)_________________________ contain a _______________ such as salt that is dissolved in a ____________________ such as water. 2) ____________________________ are mixtures of water and non-dissolved material. 7. The pH scale measures the concentration of ___________ ions in a solution. If there are more hydrogen ions than hydroxide, the solution is ________________________. If there are more hydroxide ions than hydrogen ions, the solution is ____________________________. 8. The process of polymerization occurs when small units called _______________________ are joined together to make a ___________________________. The monomers may be the same or different. 9. The four groups of macromolecules are _____________________________, _____________________________, ______________________________ and _______________________________. 10. Carbohydrates are made of ____________________, _________________________, and ____________________________ in a 1:2:1 ratio. Living things use carbohydrates for ____________________________ and for structural purposes. A single sugar called a ___________________________________ is made of one sugar molecule. Examples of a single sugar are ________________________________________________________________. Large sugars called ___________________________________ are made of many small sugars joined together. __________________________ is a large sugar in animals that is sometimes called animal starch. ______________________________ is a large sugar found in plant cell walls that make them rigid. 11. Lipids are also known as _________________, ___________________ and ____________________. They are not soluble in water. They are used to store __________________ and form biological ______________________. Monomers of lipids are called: 12. ___________________________ are monomers of nucleic acids. They have three parts: ____________________________, ________________________________, and __________________________________. The job of nucleic acids is to _______________ and ____________________________ genetic information. There are two kinds of nucleic acids: _________________________________ and _____________________________________ 13. ____________________________________ are monomers of protein. There are ____________ different kinds of amino acids and most of them end in ______________________. They are identical except for the _____________________ group. Proteins have three jobs: _________________________________________________________________________________, _________________________________________________________________________________ and _________________________________________________________________________________ 14. Chemical ________________________ change one set of chemicals into another. The ___________________________ are chemicals that enter a reaction and the _______________________ are what are produced. 15. __________________________- are proteins that act as a _______________________ to speed up a reaction and reduce the amount of _______________________________________ needed to complete the reaction. Substrates are the reactants in the reaction that bind to the ____________________________ on the enzyme where they are catalyzed. The substrate and active site fit together like a __________________ and _______________________.