1. QUESTION 7a(i) What does the following term stand for? FAV

2. ANSWER 7a(i) What does the following term stand for? FAV FLOATING AQUATIC VEGETATION

3. QUESTION 7a(ii) What does the following term stand for? SAV

4. ANSWER 7a(ii) What does the following term stand for? SAV SUBMERGED AQUATIC VEGETATION

5. QUESTION 7a(iii) What does the following term stand for? EAV

6. ANSWER 7a(iii) What does the following term stand for? EAV EMERGENT AQUATIC VEGETATION

7. QUESTION 7b What is the main characteristic that is used to group the 3 types of aquatic vegetation?

8. ANSWER 7b What is the main characteristic that is used to group the 3 types of aquatic vegetation? Where they live in the water

9. QUESTION 7c What 2 water factors affect the growth of SAV in the Chesapeake Bay?

10. ANSWER 7c What 2 water factors affect the growth of SAV in the Chesapeake Bay? SALINITY AND TURBIDITY

11. QUESTION 7d Explain how the presence of SAV would help the fish in the cartoon and the other aquatic animals in the Bay?

12. QUESTION 7d Explain how the presence of SAV would help the fish in the cartoon and the other aquatic animals in the Bay? SAV provide habitat, shelter, food, and oxygen to the Bay. SAV also help maintain water quality and water quality and prevent erosion

13. QUESTION 7e Explain 2 causes that have lead to the decline of SAV in the Chesapeake Bay.

14. ANSWER 7e Explain 2 causes that have lead to the decline of SAV in the Chesapeake Bay. Eutrophication & sedimentation - Over- enrichment of nutrients causes algae blooms which blocks blooms which blocks sunlight. Too much sunlight. Too much sediment also blocks sediment also blocks sunlight. sunlight.

15. QUESTION 8a Which law regulates what is discharged from a wastewater treatment plant?

16. ANSWER 8a Which law regulates what is discharged from a wastewater treatment plant? CLEAN WATER ACT

17. QUESTION 8b Which law makes water potable?

18. ANSWER 8b Which law makes water potable? SAFE DRINKING WATER ACT

19. QUESTION 8c Which organization is responsible for setting water quality standards?

20. ANSWER 8c Which organization is responsible for setting water quality standards? EPA

21. QUESTION 8d What classification of pollution comes from a wastewater treatment plant?

22. ANSWER 8d What classification of pollution comes from a wastewater treatment plant? POINT POLLUTION

23. QUESTION 8e What type(s) of pollution results from the process of wastewater treatment?

24. ANSWER 8e What type(s) of pollution results from the process of wastewater treatment? EUTROPHICATION

25. QUESTION 9a Use the graphic to classify the following as point or non-point pollution. Farm

26. ANSWER 9a Use the graphic to classify the following as point or non-point pollution. FarmNonpoint

27. QUESTION 9b Use the graphic to classify the following as point or non-point pollution. Houses

28. ANSWER 9b Use the graphic to classify the following as point or non-point pollution. HousesNon-point

29. QUESTION 9c Use the graphic to classify the following as point or non-point pollution. Boat

30. ANSWER 9c Use the graphic to classify the following as point or non-point pollution. Boat Point OR Nonpoint depending on the situation

31. QUESTION 9d Use the graphic to classify the following as point or non-point pollution. Factory

32. ANSWER 9d Use the graphic to classify the following as point or non-point pollution. FactoryPoint

33. QUESTION 9e Use the graphic to classify the following as point or non-point pollution. Factory’s parking lot

34. ANSWER 9e Use the graphic to classify the following as point or non-point pollution. Factory’s parking lot Nonpoint

35. QUESTION 9f Use the graphic to describe the source of the following type of pollution. Acid rain

36. ANSWER 9f Use the graphic to describe the source of the following type of pollution. Acid rain Factory releases SO2 and NO Boat releases NO

37. QUESTION 9g Use the graphic to describe the source of the following type of pollution. Eutrophication

38. ANSWER 9g Use the graphic to describe the source of the following type of pollution. Eutrophication Runoff from the farm and fertilizer and lawns

39. QUESTION 9h Use the graphic to describe the source of the following type of pollution. Thermal pollution

40. ANSWER 9h Use the graphic to describe the source of the following type of pollution. Thermal pollution Factory pulls in water as a coolant and releases warmer water

41. QUESTION 10a What are the two nutrients that cause eutrophication?

42. ANSWER 10a What are the two nutrients that cause eutrophication? Nitrates and phosphates

43. QUESTION 10b What is it that grows rapidly because of all of the excess nutrients?

44. ANSWER 10b What is it that grows rapidly because of all of the excess nutrients? ALGAE

45. QUESTION 10c Decomposers then move in and break down all organic matter. What can be created by the resulting low levels of oxygen?

46. ANSWER 10c Decomposers then move in and break down all organic matter. What can be created by the resulting low levels of oxygen? DEAD ZONES

47. QUESTION 10d What does thermal pollution increase in the water?

48. ANSWER 10d What does thermal pollution increase in the water? TEMPERATURE

49. QUESTION 10e What levels decrease in the water as a result of increasing temperature?

50. ANSWER 10e What levels decrease in the water as a result of increasing temperature? DISSOLVED OXYGEN

51. QUESTION 10f How does acid rain affect the pH of water?

52. ANSWER 10f How does acid rain affect the pH of water? It lowers pH

53. QUESTION 11a Below is an energy pyramid illustrating biomagnification. Why are there more dots in higher trophic levels?

54. ANSWER 11a Below is an energy pyramid illustrating biomagnification. Why are there more dots in higher trophic levels? The concentration of pollutants increases as it moves up the food chain

55. QUESTION 11b Below is an energy pyramid illustrating biomagnification. Name a pollutant that behaves in this manner.

56. ANSWER 11b Below is an energy pyramid illustrating biomagnification. Name a pollutant that behaves in this manner. Mercury, DDT, heavy metals

57. QUESTION 11c Below is an energy pyramid illustrating biomagnification. In what part of an organism does the pollutant accumulate?

58. ANSWER 11c Below is an energy pyramid illustrating biomagnification. In what part of an organism does the pollutant accumulate? FATS

59. QUESTION 11d Below is an energy pyramid illustrating biomagnification. Explain how the organism at the highest trophic level is not killed by this pollutant and instead it can have damaging effects on its offspring.

60. ANSWER 11d Below is an energy pyramid illustrating biomagnification. Explain how the organism at the highest trophic level is not killed by this pollutant and instead it can have damaging effects on its offspring. Biomagnification of the pollutant interferes with the reproductive system of the organism. For example, biomagnification of DDT resulted in bald eagles laying eggs with shells that were too thin.

61. QUESTION 12a Identify the aquatic environment with the following characteristics. Salt water, fresh water, tidal, nesting ground

62. ANSWER 12a Identify the aquatic environment with the following characteristics. Salt water, fresh water, tidal, nesting ground ESTUARY

63. QUESTION 12b Identify the aquatic environment with the following characteristics. Salt water, tidal

64. ANSWER 12b Identify the aquatic environment with the following characteristics. Salt water, tidal OCEAN

65. QUESTION 12c Identify the aquatic environment with the following characteristics. Fresh water, light penetrates almost to bottom

66. ANSWER 12c Identify the aquatic environment with the following characteristics. Fresh water, light penetrates almost to bottom STREAMS

67. QUESTION 12d Identify the aquatic environment with the following characteristics. Salt water, fresh water, tidal, nesting ground, light penetrates almost to bottom

68. ANSWER 12d Identify the aquatic environment with the following characteristics. Salt water, fresh water, tidal, nesting ground, light penetrates almost to bottom WETLAND

69. Question 13 Define watershed.

70. Answer 13 Define watershed. The total land area from which water drains into a particular water body