3. Interactions 100 200 Human Impacts Environmental Choices Roles of Organisms Cycles 300 400 500 400 500 400 300 200 100 Succession/ Monitorin g

4. A symbiotic relationship between two different types of organisms in which one of the partners is harmed and the other benefits

5. What is Parasitism ?

6. A symbiotic relationship between two different types of organisms that is beneficial to both organisms

7. What is a mutualism?

8. The organism that a parasite lives and feeds on

9. What is the host?

10. The study of the relationship between living organisms and their environment ?

11. What is ecology?

12. An interaction between organisms of different species living in close proximity to each other in a relationship that lasts over time

13. What is symbiosis?

14. The materials and products found in nature

15. What are natural resources?

16. Buying a pineapple from the grocery store

17. What is a want?

18. The location where an organism lives

19. What is a habitat or a need?

20. A pesticide used by humans that softens the eggshells of peregrine falcons

21. What is DDT?

22. Two examples of natural resources

23. What are trees, water, oil, minerals, etc?

24. Resources of nature are being renewed at least as quickly as they are being used, and all wastes are able to be completely absorbed

25. What is sustainability?

26. A calculation of the total area of land and water needed to supply all of the materials and energy a human uses, as well as absorb the waste produced

27. What is ecological footprint?

28. The three R’s

29. What is reduce, reuse, recycle?

30. How many more planets humans might need to continue living as we do in North America

31. What is two?

32. When looking at sustainability, the three corners of the triangle

33. What is the environment, the economy and the people?

34. The role or characteristic activity that is undertaken by an organism in an ecosystem

35. What is niche?

36. An animal that eats only plant material

37. What is herbivore?

38. An organism that is caught and eaten by another organism of a different species

39. What is prey?

40. Organisms that break down the cells of dead or waste materials and absorb their nutrients

41. What is a decomposer?

42. An animal that eats other animals and plant material

43. What is an omnivore?

44. The cycle in which carbon is used and reused through the ecosystem

45. What is the carbon cycle?

46. The process in which water vapour changes into a liquid

47. What is condensation?

48. The process in which water that is taken in through a plant’s roots evaporates from the plant’s leaves and flowers

49. What is transpiration?

50. The element necessary for all life to exist

51. What is carbon?

52. The process by which plants make their own food using sunlight

53. What is a photosynthesis?

54. The gradual process by which some species replace other species in an ecosystem

55. What is succession?

56. Controlling pests using their natural enemies

57. What is biological control?

58. Species which are introduced into an environment where they are not naturally found

59. What is introduced species?

60. When a species no longer exists anywhere in the world

61. What is extinct?

62. Plant or animal species that help us to identify environmental changes

63. What is an indicator species ?