Apes unit 2 Practice test




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Essay

101. Measurements of dissolved oxygen (DO) are used to determine primary productivity in bodies of water.
a. Explain the relationship of dissovled oxygen to primary productivity.
b. How would the predicted levels of DO differ in each of the following pairs of water samples? Proved suppor tfor your prediction. Be sure to include a discussion of net productivity and gross productivity in your answer.
i. Pond water at 25 degrees Celsius vs. pond water at 15 degrees Celsius


ii. Pond water placed in the dark for 24 hours vs. pond water placed in light for 24 hours.

APES UNIT 2 Practice TEST

Answer Section

MULTIPLE CHOICE

1. ANS: E PTS: 1 DIF: M TOP: The Nature of Ecology

2. ANS: C PTS: 1 DIF: E TOP: The Nature of Ecology

3. ANS: D PTS: 1 DIF: M TOP: The Nature of Ecology

4. ANS: E PTS: 1 DIF: M TOP: The Nature of Ecology

5. ANS: A PTS: 1 DIF: M TOP: The Nature of Ecology

6. ANS: B PTS: 1 DIF: E TOP: The Nature of Ecology

7. ANS: B PTS: 1 DIF: E TOP: The Nature of Ecology

8. ANS: A PTS: 1 DIF: D TOP: The Nature of Ecology

9. ANS: D PTS: 1 DIF: E TOP: The Earth's Life Support Systems

10. ANS: B PTS: 1 DIF: E TOP: The Earth's Life Support Systems

11. ANS: B PTS: 1 DIF: E TOP: The Earth's Life Support Systems

12. ANS: A PTS: 1 DIF: M TOP: The Earth's Life Support Systems

13. ANS: C PTS: 1 DIF: D TOP: The Earth's Life Support Systems

14. ANS: C PTS: 1 DIF: E TOP: Ecosystem Components

15. ANS: B PTS: 1 DIF: M TOP: Ecosystem Components

16. ANS: A PTS: 1 DIF: M TOP: Ecosystem Components

17. ANS: D PTS: 1 DIF: M TOP: Ecosystem Components

18. ANS: D PTS: 1 DIF: M TOP: Ecosystem Components

19. ANS: C PTS: 1 DIF: M TOP: Ecosystem Components

20. ANS: D PTS: 1 DIF: E TOP: Ecosystem Components

21. ANS: C PTS: 1 DIF: E TOP: Ecosystem Components

22. ANS: C PTS: 1 DIF: M TOP: Ecosystem Components

23. ANS: C PTS: 1 DIF: M TOP: Ecosystem Components

24. ANS: B PTS: 1 DIF: E TOP: Ecosystem Components

25. ANS: B PTS: 1 DIF: M TOP: Biodiversity

26. ANS: D PTS: 1 DIF: M TOP: Energy Flow in Ecosystems

27. ANS: D PTS: 1 DIF: M TOP: Energy Flow in Ecosystems

28. ANS: A PTS: 1 DIF: E TOP: Energy Flow in Ecosystems

29. ANS: D PTS: 1 DIF: M TOP: Energy Flow in Ecosystems

30. ANS: A PTS: 1 DIF: M TOP: Energy Flow in Ecosystems

31. ANS: A PTS: 1 DIF: M TOP: Soil: A Renewable Resource

32. ANS: C PTS: 1 DIF: E TOP: Soil: A Renewable Resource

33. ANS: A PTS: 1 DIF: E TOP: Soil: A Renewable Resource

34. ANS: D PTS: 1 DIF: M TOP: Soil: A Renewable Resource

35. ANS: C PTS: 1 DIF: E TOP: Soil: A Renewable Resource

36. ANS: A PTS: 1 DIF: M TOP: Soil: A Renewable Resource

37. ANS: D PTS: 1 DIF: M TOP: Soil: A Renewable Resource

38. ANS: B PTS: 1 DIF: M TOP: Soil: A Renewable Resource

39. ANS: D PTS: 1 DIF: M TOP: Soil: A Renewable Resource

40. ANS: B PTS: 1 DIF: E TOP: Soil: A Renewable Resource

41. ANS: B PTS: 1 DIF: E TOP: Soil: A Renewable Resource

42. ANS: B PTS: 1 DIF: E TOP: Soil: A Renewable Resource

43. ANS: D PTS: 1 DIF: E TOP: Soil: A Renewable Resource

44. ANS: C PTS: 1 DIF: E TOP: Soil: A Renewable Resource

45. ANS: B PTS: 1 DIF: E TOP: Soil: A Renewable Resource

46. ANS: D PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

47. ANS: A PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

48. ANS: B PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

49. ANS: C PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

50. ANS: C PTS: 1 DIF: E TOP: Matter Cycling in Ecosystems

51. ANS: A PTS: 1 DIF: E TOP: Matter Cycling in Ecosystems

52. ANS: C PTS: 1 DIF: D TOP: Matter Cycling in Ecosystems

53. ANS: C PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

54. ANS: B PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

55. ANS: D PTS: 1 DIF: D TOP: Matter Cycling in Ecosystems

56. ANS: D PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

57. ANS: D PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

58. ANS: D PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

59. ANS: D PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

60. ANS: C PTS: 1 DIF: D TOP: Matter Cycling in Ecosystems

61. ANS: C PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

62. ANS: D PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

63. ANS: D PTS: 1 DIF: D TOP: Matter Cycling in Ecosystems

64. ANS: A PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

65. ANS: D PTS: 1 DIF: M TOP: Matter Cycling in Ecosystems

66. ANS: D PTS: 1 DIF: D TOP: Matter Cycling in Ecosystems

67. ANS: B PTS: 1 DIF: M

TOP: How Do Ecologists Learn About Ecosystems?

68. ANS: D PTS: 1 DIF: D

TOP: How Do Ecologists Learn About Ecosystems?

69. ANS: A PTS: 1 DIF: D

TOP: How Do Ecologists Learn About Ecosystems?

70. ANS: B PTS: 1 DIF: D

TOP: How Do Ecologists Learn About Ecosystems?

71. ANS: D PTS: 1 DIF: E

72. ANS: C PTS: 1 DIF: M

TOP: Community Structure and Species Diversity

73. ANS: D PTS: 1 DIF: E TOP: Types of Species

74. ANS: D PTS: 1 DIF: M TOP: Types of Species

75. ANS: D PTS: 1 DIF: E TOP: Types of Species

76. ANS: C PTS: 1 DIF: E TOP: Types of Species

77. ANS: B PTS: 1 DIF: E TOP: Types of Species

78. ANS: D PTS: 1 DIF: D

TOP: Species Interactions: Competition and Predation

79. ANS: D PTS: 1 DIF: E

TOP: Species Interactions: Competition and Predation

80. ANS: B PTS: 1 DIF: M

TOP: Species Interactions: Competition and Predation

81. ANS: A PTS: 1 DIF: M

TOP: Species Interactions: Competition and Predation

82. ANS: D PTS: 1 DIF: M

TOP: Species Interactions: Competition and Predation

83. ANS: A PTS: 1 DIF: M

TOP: Species Interactions: Competition and Predation

84. ANS: C PTS: 1 DIF: E

TOP: Species Interactions: Parasitism, Mutualism, and Commensalism

85. ANS: C PTS: 1 DIF: E

TOP: Species Interactions: Parasitism, Mutualism, and Commensalism

86. ANS: D PTS: 1 DIF: M

TOP: Species Interactions: Parasitism, Mutualism, and Commensalism

87. ANS: B PTS: 1 DIF: D

TOP: Species Interactions: Parasitism, Mutualism, and Commensalism

88. ANS: D PTS: 1 DIF: E

TOP: Species Interactions: Parasitism, Mutualism, and Commensalism

89. ANS: C PTS: 1 DIF: E

TOP: Species Interactions: Parasitism, Mutualism, and Commensalism

90. ANS: D PTS: 1 DIF: D

TOP: Ecological Succession: Communities in Transition

91. ANS: D PTS: 1 DIF: E

TOP: Ecological Succession: Communities in Transition

92. ANS: C PTS: 1 DIF: E

TOP: Ecological Succession: Communities in Transition

93. ANS: D PTS: 1 DIF: M

TOP: Ecological Succession: Communities in Transition

94. ANS: C PTS: 1 DIF: M

TOP: Ecological Succession: Communities in Transition

95. ANS: D PTS: 1 DIF: M

TOP: Ecological Succession: Communities in Transition

96. ANS: B PTS: 1 DIF: M

TOP: Ecological Succession: Communities in Transition

97. ANS: C PTS: 1 DIF: M

TOP: Ecological Succession: Communities in Transition

98. ANS: C PTS: 1 DIF: E

TOP: Ecological Succession: Communities in Transition

99. ANS: A PTS: 1 DIF: D

TOP: Ecological Succession: Communities in Transition

100. ANS: D PTS: 1 DIF: M

TOP: Ecological Stability and Sustainability

ESSAY

101. ANS:

a. Primary productivity (4 points maximum)

*Primary productivity: rate at which autotrophs convert light energy into stored chemical engery

*Increase in oxygen = increase in primary productivity

*Rate of carbon compound formation measured indirectly through oxygen production

*6CO2 + 6H2O--> C6H12O6 + 6O2

*Gross productivity\GPP = rate at which primary producer synthesizes O2

*Net productivity= GPP- producer respiration
b i. Pond water at 25 degrees C vs. pond water at 15 degrees C (4 points max)

*prediction: DO at 15 degrees C greater than DO at 25 degrees C

*Why: saturation DO concentration at 15 degrees is higher than saturation DO concentration at 25 degrees C

*Example

*Higher metabolic rate of aquatic orgnanisms at warmer temperature = less available oxygen

*Fish die in summer ponds/trout live in cold streams

*Drinks at room temperature hold less DO than when cold

*Elaboration of the example

b ii. pond water placed in the dark for 24 hrs vs. pond water placed in the light for 24 hours (4 points max)

* Prediction: DO in light greater than DO in dark

*Why: photosynthesis higher so DO higher

*photosynthesis is light dependent

*light bottle is the NET productivity because both photosynthesis and cellular respiration are occuring

* dark bottle uses oxygen and respiration only

PTS: 1
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