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.
*
___
* ___
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? _________________