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100
1. The fennec, artic, and gray foxes have different appearances because ______________.
c. they have adapted to different environments
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2. Which statement about adaptations is true?
d. adaptations occur when survival characteristics are passed from one generation to another.
100
3. What happens to a species that cannot adapt to changing conditions in its environment?
b. the species may become extinct.
100
4. Which type of organisms get energy by breaking down the remains of dead organisms?
d. decomposers
100
5. How is a food chain related to a food web?
b. food chains make up a food web.
200
6. An organism that harms another in a symbiotic relationship is a ________.
c. parasite
200
7. Why does the amount of available energy decrease at higher levels of the energy pyramid?
d. some energy is used by organisms at each level for their own life processes.
200
8. When different species with similar needs live in an ecosystem with imited resources, what will happen?
b. they will compete for available resources
200
9. Barnacles live on the side of a whale. the barnacles benefit but do not help or harm the whale. What kind of relationship is this?
d. commensalism
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10. Which of the following would be the MOST useful adaptation for prey?
c. the ability to look like a stick or a rock
300
11. As bees collect nectar from flowers, they spread pollen from one flower to another. Both species benefit. Which type of relationship is this?
c. mutualism
300
12. In the nitrogen cycle, where do animals get their nitrogen?
a. from plants
300
13. Describe three different types of adaptations that occur in species and give an example of each.
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300
14. Compare how consumers and producers use energy from the Sun. Include examples of each type of organism.
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