1. What kind of feedback loop is demonstrated by predator-prey population growth?
2. What kind of feedback loop is demonstrated by human population growth?
3. Which of the following does not contain a form of potential energy?
4. Which of the following processes does not use energy that originated in the sun
5. Which process takes place in a nuclear power reactor?
6. What form of energy is produced during every energy conversion
7. Which of the following is an example of low quality energy?
8. Which of the following is an example of high quality matter?
9. What law explains why there is no “away”?
10. What process is responsible for turning solar radiation into chemical potential energy?
11. Which of the following concepts includes all of the rest?
12. Which is likely to have the most biodiversity?
13. What kind of pyramid cannot have a smaller base (producers) than a top (tertiary consumers)
14. Which cycle does not directly involve the atmosphere?
15. What are Rhizobium bacteria doing in the root nodules of legumes?
16. Which biome requires the most rainfall?
17. Which of the following are factors that create tolerance limits for a population
18. Which of the following is not a common limiting factor for a lake ecosystem
19. What scientific law explains why there are always fewer tertiary consumers than primary consumers in an ecosystem.
20. Which of the following would not be a predicted effect of cutting the forest in a stream watershed such as at the Hubbard Brook Experimental Forest?
21. Spotted owl is to specialist as human is to __________
22. A patch of weeds growing on soil in early summer may be exhibiting
23. Which of the following biomes has the highest gross primary productivity
24. Which of the following is not usually a trait of a complex ecosystem
25. Which of the following is a transitional community?
26. The Army Corps of Engineers has returned the Kissimmee River to its original state. This is an example of
27. Another name for geometric growth is
28. What prevents a species from reaching its biotic potential?
29. Who first argued that human population grows faster than resources, eventually resulting in starvation?
30. What is most responsible for the great change in human population during the last century?
31. Demographic transition describes the observed changes after economic development
32. What best describes the population of the United States?
33. What is world human population?
34. What will happen to population if fertility rate = replacement rate
35. Minerals are an example of a (an)
36. Making manufacturers take into account the cost of dealing with their waste products is an example of
37. Which of the following would not be a goal of sustainable development?
38. What is the relationship between supply and demand?
39. Which of the following is not a market-based incentive?
40. What organism of an aquatic food chain is most likely to have the highest level of a toxin sprayed upon the water?
41. What does LD50 mean?
42. If the lethal dose of parathion, an insecticide, is 1.5 mg/kg, how much would kill a 10 kg dog?
43. Which of the following characteristics of a risk would make the risk seem worse than it actually is to the public?
44. Which of the following is perceived by the public as a greater risk than is actually is?
45. What has happened to total world agricultural production over the last century?
46. Which of the following was not associated with the Green Revolution?
47. Which of the following is a cash crop?
48. What is the relationship between soil formation and soil depletion at the present time?
49. Which is the smallest sized component of soil?
50. Which soil component has the fastest infiltration rate?
51. Which soil horizon contains the most organic material?
52. What is leached from the A-horizon to the B-horizon
53. Which of the following agricultural practices reduce the rate of soil erosion?
54. Which term includes the others
55. When did synthetic pesticides become widely used?
56. Which statement is true?
57. Which of the following processes are responsible for the pesticide treadmill?
58. Which of the following is not true about DDT?
59. Who is more likely to use more pesticides than needed?
60. Which of the following is not a part of integrated pest management (IPM)
61. Which of the following is the most damaging?
62. Which of the following has caused the greatest amount of species extinction
63. How does the current rate of extinction compare to past rates of extinction
64. What caused the ivory trade to collapse?
65. Which of the following is an advantage of monoculture forests over mixed species forests?
66. Which method of harvesting lumber results in the most soil erosion?
67. Which process is most responsible for soil degradation world-wide?
68. What United States agency controls the most public land?
69. What is the relationship between the size of an island and the biodiversity on the island?
70. Which of the following is the proper order from surface to center of the Earth?
71. Which contains older rock?
72. One tectonic plate may contain
73. What happens at a subduction zone?
74. Which of the following is not commonly associated with tectonic plate boundaries?
75. What kind of rock is formed from weathering, erosion and deposition?
76. A mineral that a country uses but does not produce itself is called
77. Put the following layers of the atmosphere in the proper order
78. In which of the above layers does a layer of ozone protect us from UV rays?
79. Which of the following best describes why there are rainforests at the tropics
80. Where are you most likely to find deserts?
81. At what latitude are deserts most likely to be found?
82. Which of the following was not a result of El Niño?
83. Which of the following is not a greenhouse gas?
84. Which of the following is not predicted to be an effect of global warming?
85. Which of the following correctly describes the cause and effect of the Coriolis effect
86. Which of the following is not a result of photochemical reactions
87. Which of the following substances is an indoor pollutant linked to lung cancer?
88. Which of the following is least likely to be associated with air pollution?
89. Which of the following reactions is not a significant contributor of acid precipitation?
90. Where in the United States are you most likely to find acid deposition?
91. Which of the following is not an effect of acid precipitation?
92. What is best removed by electrostatic precipitators?
93. The east side of Mount Waialeale in Hawaii receives 20x the rain as the west side. What can you infer about Mount Waialeale?
94. Which of the following is true of most aquifers today?
95. Which of the following is responsible for the greatest water use?
96. Which of the following environmental problems is not related to groundwater depletion.
97. What is the effect of adding organic wastes to a river?
98. Eutrophication in a marine ecosystem can cause an increase of toxic dinoflagellates called
99. How would a thermal plume affect the DO of an aquatic ecosystem?
100. Which of the following has caused the greatest health risk to humans
101. Which of the following is likely to be found in sludge?
102. What is the purpose of secondary sewage treatment?
103. Which of the following is not an oxygen-demanding waste?
104. Which is a colorless, odorless gas that is a naturally occurring decay product of uranium?
105. Which gas is emitted from most manufactured building materials and furniture?
106. Which is composed of fibers known to cause lung disease?
107. Which is found in old plumbing pipes and fixtures and some ceramic glazes?
108. Solids, liquids, and gases created through the compression of ancient organic plant and animal material in the Earth's crust are called
109. Zebra mussels are
110. Overgrazing of grasslands can lead to reduced range quality. Two of the major effects of overgrazing are
111. When species are transported geographically to an unknown area, they are called
112. In the workplace, bad air mixed with mold spores has led to
113. Soils found in mid-latitude grasslands would be most accurately described as having
114. The three main anthropogenic sources of gaseous air pollutants in the United States are:
115. Rachel Carson's contributions to the environmental movement include which of the following?
116. Which of the following best illustrates the concept of tragedy of the commons?
117. Which pesticide was banned due to its bioaccumulation in wildlife?
118. When an ecosystem reaches its final stage of balanced species development, it is called a(n)
119. The soil layer that contributes organic material to topsoil is the _____ horizon.
120. CAFE standards refer to
121. "The maximum number of species that can be sustained in an ecosystem." This sentence best defines
122. Ground-level ozone in most major United States cities results primarily from
123. An integrated pest management approach to pest control emphasizes which of the following?
124. The half-life of radon gas is approximately four days. Four weeks after the introduction of radon into a sealed room, the fraction of the original amount remaining is closest to
125. Prior to mine reclamation laws, mine drainage and acidic runoff from coal tailings were toxic byproducts of
126. Global warming works a lot like
127. Which community depends on periodic fires for reproduction?
128. Which of the following describes the heat-island effect?
129. The major reserves of nitrogen and sulfur in the biosphere are correctly identified by which of the following?
130. The biggest advantage of nuclear energy generation is that
131. Nuclear power is commonly generated using the element
132. A sustainable society would emphasize
133. Which of the following is managed on a multiple-use basis?
134. In the northern hemisphere, ocean gyres flow in what direction?
135. When logging is carried out in a watershed, a likely effect on the local streams is
136. Which of the following is a major goal of the program begun in 1995 to reintroduce the gray wolf into Yellowstone National Park?
137. Which of the following federal laws specifically deals with the cleanup of abandoned hazardous waste sites?
138. Losses of usable energy between successive trophic levels in an ecosystem are best accounted for by which of the following?
139. If the Earth had no atmosphere, the mean surface temperature would be approximately -15°C. With our present atmosphere, Earth's mean surface temperature is approximately +15°C. Which of the following is the best explanation for this difference?
140. Which of the following can be used to assess the biological diversity of an area?
141. City heat islands cause
142. Pollution is considered an external cost when
143. The consumption of mosquitoes by bats and the control of flooding provided by tropical forests in mountainous areas of Central America are examples of
144. The use of which of the following to control agricultural insect pests is most likely to have a negative and persistent impact on an ecosystem?
145. Alligators in a Florida lake polluted by high levels of dioxins (chlorinated hydrocarbons) had low testosterone levels and failed to reproduce. Scientists came to the conclusion that the dioxins were acting as which of the following?
146. The most economically important fish affected by hydroelectric dams is
147. Which is the following practices would have the biggest impact on achieving global sustainability?
148. Which of the following has a late-loss survivorship curve?
149. (streamwatch) What is the primary source of nitrates and phosphates in the wetland?
150. (streamwatch) Acid rain would be evidenced by
151. (streamwatch) The unit JTU is a measurement of
152. The large net used for catching fish in the wetlands is called a