Name: 
 

Ecology Interdependence of Life



Short Answer
 

1. 

Directions: Use the illustration below to answer questions 1 through 3.
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How many consumers derive their energy from grasses in this food web?
 

2. 

Which organism derives its energy from the most number of sources?
 

3. 

What effect do you think a drought would have on a parairie food web?
 

4. 

Directions: Use the illustration below to answer questions 5 through 7.
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Which level harnesses energy from the sun or from chemicals?
 

5. 

What happens to the energy that isn't used by organisms or passed on to the next level?
 

6. 

Why are fewer organisms at the top of the pyramid than at the bottom?     
 

7. 

Directions: Use the illustration below to answer questions 7 through 9.
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Which biome covers most of the United States?
Which biome do you think is located in the eastern part of the United States?
 

8. 

Which biome receives less than 25 centimeters of rain per year?
 

9. 

Why do tall mountains contain several biomes?
 

10. 

Derections: Use the illustration below to answer questions 10 through 12.
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Which layer of the rain forest captures the most rain and sunlight?
 

11. 

How are monkeys adapted for living in the canopy of a rain forest?
 

12. 

Why do many of the plants living on the rain forest floor have large leaves?
 

13. 


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Why are most producers in water biomes located near the surface or in shallow water?
 

14. 

Which zone contains the most types of organisms?
 

15. 

How are living conditions in the intertidal zone similar to and different from the living conditions in the deep zone?
 

16. 

Directions: Use the illustration below to answer questions 16 through 18.
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Over time, changes to what characteristic helped the separated finch populations adapt to their local food sources?
 

17. 

Is a parrotlike beak better adapted to feeding on fruit or insects?
 

18. 

What would likely happen to the population size of the vegetarian tree finch if trees on the island did not fruit one year?
 

19. 

Directions: Use the illustration below to answer questions 19 through 21.
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What features help these ant- and termite-eating mammals find and dig out insects?
 

20. 

How are the armadillo and pangolin adapted to fending off predators?
 

21. 

What can you infer about the environments where these five mammals are found?
 



 
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