3. Relationships

4. Nature’s Way of Recycling

5. Ecology

6. Trophic Levels

7. Energy Flow

8. Miscellaneous

9. $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500

10. Both organisms benefit from living together.

11. Mutualism

12. An association where one organisms benefits, while the other neither benefits nor is harmed.

13. Commensalism

14. A long term relationship in which one organism obtains nutrients from another.

15. Parasitism

16. A close relationship between two organisms of different species. Ex. microbes located in the digestive tract.

17. Symbiosis

18. The use or defense of a resource by one individual that reduces the availability of that resource to other individuals.

19. Competition

20. The process by which inorganic materials move from the atmosphere to soil, into living organisms and back again.

21. Biogeochemical Cycles

22. T/F During ammonification, bacteria convert nitrogen gas into ammonium compounds.

23. False

24. An increase in the ability of the atmosphere to trap heat.

25. Greenhouse Effect

26. The cycle that photosynthesis and respiration are the base for.

27. Carbon-Oxygen Cycle

28. Convert nitrogen gas (N 2 ) into ammonium compounds (NH 4 OH).

29. Nitrogen Fixation

30. The way of life of a species.

31. niche

32. The nonliving parts of the environment.

33. abiotic factors

34. An ecological unit that includes all the interacting parts of an environment in an area. Ex. a cave, a pond

35. ecosystem

36. All the living organisms that inhabit an environment. Ex. plants, animals, protists

37. biotic factors

38. The portion of Earth that sustains life. It extends from high in the atmosphere to the bottom of the oceans.

39. biosphere

40. These are autotrophic organisms that manufacture their own food

41. producers

42. This means that it must consume food to get energy.

43. Heterotroph

44. These heterotrophs can be classified into two main groups.

45. Primary and Secondary Consumers

46. This group of organisms break down dead tissue and animal wastes.

47. Decomposers

48. What are the 4 classifications of consumers based on what they eat.

49. Herbivores, Carnivores, Omnivores, Scavengers

50. Interrelated food chains in an ecosystem is call?

51. Food Web

52. A specific sequence in which organisms get energy in an ecosystem.

53. Food Chain

54. Name that pyramid. 1,500,000 producers 1 scavenger 90,000 secondary consumers 200,000 primary consumers

55. Numbers Pyramid

56. Name that pyramid. 20,831 kCal producers 21 kCal secondary carnivore 383 kCal primary carnivore 3368 kCal herbivores

57. Energy Pyramid

59. Name that pyramid. 470 g/m 2 producers 0.05 g/m 2 scavenager 0.1 g/m 2 carnivore 0.6 g/m 2 herbivore

60. Biomass Pyramid

61. What are the 4 steps to the water cycle?

62. Condensation Precipitation Transpiration Evaporation

63. A state of severely reduced physiological activity during the winter months.

64. Hibernation

65. Competition between organisms of the same species

66. Intraspecific Competition

67. What are the 3 steps of the Nitrogen cycle?

68. Nitrogen Fixation Ammonification Denitrification

69. A cycle of activity occurring every 24 hours. (ex. Pedals of a flower opening in the morning and closing in the evening.

70. Circadian Rhythm