1. What are the four major components of Earth?

2. Name and define the levels of organization of the living world from organism through biome.

3. Define Ecology.

4. What is the difference between an ecologist and an environmentalist?

5. Name and define the five parts of ecosystem structure?

6. What is the difference between a primary consumer and a secondary consumer?

7. What are the two processes in ecosystem function?

8. Define energy and energy quality.

9. Give the first and second laws of thermodynamics and their applications.

10. What is a food chain?

11. What is a food web?

12. Name and define the trophic levels.

13. On average, how much energy is transferred or lost between trophic levels?

14. What is gross primary productivity and net primary productivity?

15. Which biome has the greatest total net primary productivity? the greatest net primary productivity per square mile?

16. What does CHNOPS stand for?

17. Give the chemical formula for photosynthesis and cellular respiration

18. Describe the hydrological cycle.

19. Describe the carbon cycle; give all the major ways carbon moves into and out of each of the components of Earth.

20. Describe the nitrogen cycle to the depth given in class.

21. What affects the rate of movement of matter through ecosystems?

22. What is meant by ecosystem services?

23. Define species.

24. Define habitat, microhabitat, and niche. What are the 4 components of habitat?

25. What is meant by generalist niche and specialist niche.

26. What determines whether a species will occur at any given place?

27. What are the three ways a species can "get" somewhere?

28. Differentiate between native, endemic, and introduced species.

29. What is meant by range of tolerance?

30. Define acclimation.

31. What are limiting factors?

32. Name and define the 5 major types of interrelationships among organisms.

33. What is homeostasis?

34. Differentiate between positive and negative feedback loops. Be ready to recognize or give examples.

35. What are the three major responses a population/species can do when under environmental stress?

36. Name and define the two elements of ecosystem stability.

37. Define ecological succession.

38. How is understanding ecological succession important to wildlife?