Test Review: Ecology

I. What is an ecosystem? ________________________________________________________________

II. Food Chain - _______________________________________________________________________

III. Food Web - ________________________________________________________________________

IV. Parts of a Food Chain/Food Web *The role in the food chain/food web, diagram and examples.

1. sun - ______________________________________________________________________________

2. producer - __________________________________________________________________________

3. consumers - _________________________________________________________________________

a. herbivores - ___________________________________________________________________

b. carnivores - ___________________________________________________________________

*scavengers - ______________________________________________________________

c. omnivores - ___________________________________________________________________

4. decomposers - _______________________________________________________________________

*What would happen if any part of the food chain was removed? Give examples.

__________________________________________________

* List and identify the 4 parts of a food chain.

__________________________________________________

V. Energy Pyramid/ Food Pyramid

1. Why are producers at the base of the pyramid?

________________________________________

2. Why is the top layer of the pyramid so small?

________________________________________

3. Which direction does the energy flow in an energy pyramid?

________________________________________

4. Which layer is the producers? _____________________________

5. Which layers are the consumers?

________________________________________

VI. Vocabulary

1. biosphere - ______________________________________________________________________

2. ecology - ________________________________________________________________________

3. population - ______________________________________________________________________

4. community - _____________________________________________________________________

5. habitat - _________________________________________________________________________

6. niche - __________________________________________________________________________

7. ecosystem - ______________________________________________________________________

8. competition - ____________________________________________________________________

9. camouflage - ____________________________________________________________________

10. mimicry - ______________________________________________________________________

11. mutualism - ____________________________________________________________________

12.parasitism - _____________________________________________________________________

13 predator - _______________________________________________________________________

14. prey - _________________________________________________________________________

15. biotic factor - ___________________________________________________________________

16. abiotic factor - __________________________________________________________________

VII. Water Cycle: Label the water cycle. Describe what happens in each step.





2. _________________ 1. __________________



VIII. Carbon-Oxygen Cycle: Label the Carbon-Oxygen Cycle.

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___

* ___

1. What do animals produce in the Carbon-Oxygen Cycle? ______________________________________

2. When do animals produce _________ in the Carbon-Oxygen Cycle? ____________________________

3. What do plants produce in the Carbon-Oxygen Cycle? _______________________________________

4. When do plants produce ____________ in the Carbon-Oxygen Cycle? __________________________

IX. Nitrogen Cycle:

1. Why do organisms need the Nitrogen Cycle? ___________________________________________

________________________________________________________________________________

2. How much nitrogen is in the air? _________________