1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt What kind of Interaction? I need some ENERGY! Levels of Organization Abiotic Factors Miscellaneous

2. During a drought, many different organisms try to get water from a small supply, resulting in….

3. What is competition?

4. Two organisms interact, and both benefit from the arrangement.

5. What is mutualism?

6. An interaction in which one organism benefits, but the other isn’t helped or hurt in any way

7. What is commensalism?

8. An interaction in which one organism captures, kills, and feeds on another

9. What is predation?

10. An interaction in which two organisms live closely together (parasitism is an example)

11. What is symbiosis?

12. From one trophic level to the next, this is a good estimate of how much energy is LOST.

13. What is 90%? (careful! It didn’t ask how much is passed to the next level)

14. A diagram showing the complex feeding interactions in a community

15. What is a food web?

16. Which trophic level would have the largest biomass in an ecosystem?

17. What is the first trophic level (autotrophs)?

18. An organism that eats both animal and plant matter

19. What is an omnivore?

20. The two different processes that producers use to make carbohydrates.

21. What are photosynthesis and chemosynthesis? (Photosynthesis is by far the most common)

22. Assemblages of populations that live together in a defined area

23. What is a community?

24. A community plus all the abiotic factors around it

25. What is an ecosystem?

26. A group of similar ecosystems with similar climate and dominant communities.

27. What is a Biome?

28. The combined portions of the planet in which all life exists

29. What is the Biosphere?

30. All the organisms of a particular species that live in a defined area

31. What is a population?

32. The changing seasons we experience are a result of this

33. What is the tilt of earth’s axis? –Causes changes in the length of days and angle of heating

34. A particular chemical substance needed by living things that is in short supply in an ecosystem

35. What is a limiting nutrient?

36. The average weather conditions an area has year-after-year.

37. What is climate?

38. This is the condition in which gases in a planet’s atmosphere, such as CO2, retain heat

39. What is the greenhouse effect?

40. This is a process in which nitrogen gas in the atmosphere is converted into a form that living things can use.

41. What is Nitrogen fixation?

42. This says that two species cannot occupy the same niche in the same habitat at the same time

43. What is the competitive exclusion principle?

44. The role or job that an organism fulfills within its ecosystem

45. What is a niche?

46. The area that an organism inhabits is called this.

47. What is a habitat?

48. Name for a group of organism so similar to each other that they can breed and produce fertile offspring

49. What is a species?

50. This is a word for the evaporation of water from the leaves of plants.

51. What is transpiration?

52. Two factors that effect enzyme activity.

53. What is pH and temperature.