NAME: _____________________________ PERIOD: ____

Ecology Study Guide

1. Define ecology.

2. What is the equation for cellular respiration? Does it occur in all organisms?

3. What is the equation for cellular respiration? Does it occur in all organisms?

4. What is the equation for photosynthesis? How is it similar, yet different from cellular respiration?

5. What is an autotroph? What is it also known as? Give an example.

6. What is a heterotroph? What is it also known as? Give an example.

7. List and define the levels of organization from species to biome.

8. What is a decomposer?

9. List the biogeochemical cycles discussed in class.

10. List the 4 categories of consumers and what they eat.

11. Describe the process that occurs during each of the following biogeochemical cycles.

· Water cycle

· Carbon cycle

· Nitrogen cycle

12. What is nitrification (nitrogen fixation)?

13. What is denitrification?

14. Carbon, Hydrogen, Oxygen and Nitrogen are components of what 4 macromolecules?

15. What is a hypothesis?

17. What is a theory?

18. What is a control?

19. What is an independent variable?

20. What is a dependent variable?

21. What happens to the energy that is NOT passed on to the next trophic level?

22. How much energy is used by an organism in each trophic level?

23. How much energy is lost between trophic levels?

24. What is a predator? Give an example.

25. What is prey? Give an example?

26. What is carrying capacity? Give an example.

27. What is limiting factor? Give an example.

28. What is a parasite? Given an example.

29. What is symbiosis? Give three examples.

30. List 3 ways organisms interact within a community.

31. What is competition? Give an example.

32. What is commensalism? Give an example.

33. What is mutualism? Give an example.

34. What is a trophic level?

35. What direction does energy flow within an ecosystem?

36. Identify the producers, primary consumers, secondary consumers and tertiary consumers in each diagram.



31. What are the reactants in photosynthesis? In cellular respiration?

32. What are the products in photosynthesis? In cellular respiration?

33. What is the function of cellular respiration? Photosynthesis?

34. Explain the 10% rule involving tropic levels.

35. What information do food chains, food webs and ecological pyramids provide?

36. Draw and label the 3 types of ecological pyramids.

37. What is a niche? Give an example.

38. What is a limiting factor?

39. Name the 2 categories of limiting factors.

a.) What is the difference between the two?

b.) Give examples of both.

40. What is a climax community?

41. Explain carrying capacity.

42. What is the function of nutrients in the environment?

43. When do nutrients become limiting factors?

44. What macromolecules are produced during the carbon cycle?

45. Briefly describe how carbon is recycled in the environment.

46. What macromolecules are produced during the nitrogen cycle?

47. Briefly describe how nitrogen is recycled in the environment.

48. Explain how these 4 processes help to recycle water.

· Precipitation

· Evaporation

· Condensation

· Transpiration