Ecology+Review+Questions

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=Ecology Exam Review= 1. What is an ecosystem. Give 2 examples.

2. What is an abiotic factor? Give 2 examples.

3. What is a biotic factor. Give 2 examples.

4. What is a producer? Give an example.

5. What is a decomposer? Give an example?

6. What type of organism is in the: 1st trophic level 2nd trophic level 3rd trophic level 7. A consumer is...

8. What is bioaccumulation?

9. What is the primary source of energy for all living things?

10. Name the 2 important bacteria found in the nitrogen cycle and then indicate the purposes of each.

11. Show the differences & similarites between photosynthesis & respiration. You may use a venn diagram to show this.

12. Which process removes carbon dioxide from the air?

13. What is an organic compound? Give an example.

14. Which gas makes up the majority of our atmosphere?

15. What gas do humans breathe out?

16. All matter cannot be _ _ _ or _ _ _ _ but is continuously recycled.

17. Give two (2) sustainable activities performed by humans.

18. What can people do to help an ecosystem regain balance after it was affected by human activity.

19. Name two human activities that can negatively affect an ecosystem.

21. Why/when does competition occur?