1. Biology Review CH 4 Ecology

2. List the levels of organization for the study of ecology (6) Species Population Community Ecosystem Biome Biosphere

3. Another name for a producer? autotroph

4. Another name for consumer? Heterotroph

5. 2 ways to be a producer Photosynthesis Chemosynthesis

6. 5 ways to be a consumer Carnivore Herbivore Omnivore Detritivore Decomposer

7. Auto or hetero? Which type? Auto /chemo

8. Auto or hetero? Which type? Auto/photo

9. Auto or hetero? Which type? Hetero/herbivore

10. Auto or hetero? Which type? (bacteria) Decomposer

11. Auto or hetero? Which type? Hetero/omnivore

12. Food web or food chain? Chain

13. Food web or food chain? Web

14. Biotic or abiotic? Abiotic

15. Biotic or abiotic? Biotic

16. Biotic or abiotic? Abiotic

17. Biotic or Abiotic? Biotic

18. Organic or inorganic? Inorganic

19. Organic or Inorganic? Organic

20. Organic or inorganic? Organic

21. Organic or inorganic? Organic

22. Organic or Inorganic? Organic

23. Organic or Inorganic? Inorganic

24. Only 10% of energy is transferred from 1 level to the next- what is this called? Energy Pyramid, 10% rule

25. How much energy is lost as heat from one trophic level to the next? 90%

26. Energy ___________ Nutrients ________ Flow, Cycle

27. What does the term Biogeochemical mean? Biological, geological, and chemical cycles

28. Diagram the water cycle on the board. Label all parts

29. Diagram the carbon cycle. Label

30. Whats actually moving in a food web or chain? Energy?

31. The nutrient that limits this productivity is called the Limiting Nutrient Limiting nutrient

32. Rate @ which producers create organic materials Primary Productivity

33. What are the 3 main elements added to fertilizers Nitrogen, Phosphorus, Potassium

34. Limiting nutrient in freshwater systems Phosphorus

35. Limiting nutrient in salt water systems Nitrogen

36. Difference between weather and climate Weather: daily, Climate: yearly

37. What is the greenhouse effect? Diagram on board

38. How much colder would the planet be without greenhouse gasses? 50* F

39. List the 4 naturally occurring green house gasses? Water, nitric oxide, carbon dioxide, methane

40. What are CFC’s? Manmade compounds that deplete ozone layer

41. We now make HCFC’s. How are they different from CFC’s? HCFC’s are not causing ozone depletion but are greenhouse gasses

42. 3 ways heat is distributed across planet Ocean currents Wind patterns Latitude

43. What is acid rain? Rain with low number of pH

44. How is acid rain created? Sulfur dioxide and nitrous oxide become nitric acid and sulfuric acid in the environment

45. What is competitive exclusion principle? No 2 species can share the same niche in same habitat; not enough resources

46. a group of critters whose absence or presence will determine the health and productivity of an ecosystem Keystone species

47. When 2 different species live closely together Symbiosis

48. mutualism both benefit

49. commensalism 1 benefits, the other is neither harmed nor benefited

50. parasitism 1 benefits, the other is harmed