Accelerated Biology Test: Chapter 6 2010-2011
Multiple Choice
Identify the choice that best completes the statement or answers the question.
Table 5-1 shows the population sizes for 6 different species in four different areas.
Area / Species U / Species V / Species W / Species X / Species Y / Species ZA / 3 / 7 / 2 / 2 / 2 / 4
B / 0 / 6 / 8 / 0 / 6 / 6
C / 0 / 0 / 2 / 0 / 0 / 2
D / 4 / 3 / 11 / 1 / 6 / 0
Table 5-1
____ 1. If the four areas in Table 5-1 were the only places in the world to find these organisms, which species most likely faces the greatest chance of extinction?
a. / Species U / c. / Species Yb. / Species X / d. / Species Z
____ 2. Which area in Table 5-1 has the greatest biodiversity?
a. / Area A / c. / Area Cb. / Area B / d. / Area D
____ 3. The number of different species in the biosphere is called
a. / biodiversity. / c. / genetic diversity.b. / ecosystem diversity. / d. / species diversity.
____ 4. The sulfur and nitrogen compounds in smog combine with water to form
a. / ozone. / c. / acid rain.b. / ammonia. / d. / chlorofluorocarbons.
____ 5. A biologist is searching for a new plant-based antibiotic. In which of the following types of ecosystems would the biologist have the best chance of finding new kinds of plants to use in her research?
a. / highland desert / c. / temperate deciduous forestb. / polar tundra / d. / tropical rain forest
____ 6. The extinction rate of terrestrial and freshwater species is currently higher than the extinction rate of marine species. What is the most likely reason for this?
a. / Human activities have a greater impact on terrestrial and freshwater ecosystems.b. / There are no economic incentives for humans to use ocean resources.
c. / Marine organisms have had a longer time to adapt to their environment.
d. / The oceans have a greater area than land and freshwater ecosystems combined.
Figure 5-3
____ 7. What effect did the loss of species B have on species A and D in Figure 5-3?
a. / it caused the populations of A and D to decreaseb. / it caused the populations of A and D to increase
c. / it caused the populations of A and D to become extinct
d. / it had no effect on the populations of A and D
____ 8. Examine the graph in Figure 5-3. Which species were not affected by the loss of species B?
a. / species A, C, and E / c. / species C onlyb. / species C and E / d. / species E only
____ 9. Which of the following resources can be considered renewable?
a. / natural gas / c. / uraniumb. / quartz / d. / water
____ 10. The cheetah population was around 100,000 in 1900. Today, fewer than 12,000 cheetahs remain. What type of natural resource are cheetahs considered to be?
a. / nonrenewable / c. / reusableb. / renewable / d. / sustainable
____ 11. Which of the following practices can help conserve an area’s biodiversity?
a. / biological magnification / c. / species introductionb. / habitat fragmentation / d. / sustainable usage
____ 12. All of the following are threats to biodiversity EXCEPT
a. / increase of toxic compounds.b. / habitat fragmentation.
c. / invasive species.
d. / species preservation.
____ 13. The goals of conservation biology include all of the following EXCEPT
a. / wise management of natural resources.b. / protection and management of individual species.
c. / preservation of habitats and wildlife.
d. / introducing foreign species into new environments.
____ 14. Some scientists think that global warming is
a. / a natural variation in climate.b. / a result of human activity.
c. / melting the polar ice caps.
d. / all of the above
____ 15. The major cause of ozone depletion is
a. / nitric acid. / c. / chlorofluorocarbons.b. / sulfuric acid. / d. / ultraviolet light.
____ 16. The major threat to biodiversity is
a. / habitat fragmentation / c. / habitat degradationb. / habitat loss / d. / exotic species
____ 17. Acid rain changes the pH of soil, killing some trees. This is an example of
a. / habitat fragmentation / c. / habitat degradationb. / global warming problems / d. / exotic species
____ 18. Salvinia molesta, a floating aquatic plant, first entered Lake Naivasha in Kenya when a person’s fish ponds flooded. The plant quickly grew, changing the habitat of parts of the lake. This is an example of a problem due to
a. / reintroduction programs / c. / habitat fragmentationb. / exotic species / d. / edge effect
____ 19. Which of the following species is extinct?
a. / American bald eagle / c. / passenger pigeonb. / bison (buffalo) / d. / giant panda
____ 20. Water and air pollution are examples of
a. / habitat fragmentation / c. / edge effectb. / habitat degradation / d. / sustainable use
____ 21. When species lose their habitats, they may
a. / lack food / c. / be in danger of becoming extinctb. / lack shelter / d. / all of the above
____ 22. The greatest source of air pollution is
a. / volcanic eruptions / c. / burning of fossil fuelsb. / forest fires / d. / CFC’s
____ 23. When exotic species are introduced into an area their populations may grow exponentially because the species
a. / are large / c. / lack competitors and predatorsb. / are predators / d. / are small
____ 24. The African elephant population was greatly reduced between 1070 and 1990 due to
a. / habitat degradation / c. / habitat lossb. / excessive hunting / d. / all of the above
____ 25. Which of the following sequences is the most likely to occur?
a. / endangered species, to threatened species, to extinct speciesb. / extinct species, to threatened species, to endangered species
c. / threatened species, to endangered species, to extinct species
d. / threatened species, to extinct species, to endangered species
____ 26. Which of the following animals would be least affected by habitat fragmentation?
a. / wolves / c. / zebrasb. / hawks / d. / lions
____ 27. The removal of coral reefs by people is an example of habitat
a. / fragmentation / c. / lossb. / degradation / d. / preservation
____ 28. National parks help prevent the extinction of many species by
a. / preserving the species habitats / c. / introducing exotic speciesb. / reducing pollution / d. / allowing the sustainable use of resources
____ 29. The use of naturally occurring microorganisms that have been genetically engineered and that can be used to degrade petroleum products is called
a. / biodiversity / c. / exotic speciesb. / bioremediation / d. / cloning
____ 30. Materials that are used to soak up oil spills are called
a. / booms / c. / sorbentsb. / skimmers / d. / chemical dispersants
____ 31. The oil that you treated in class with penicillin began to break up and turn to what color?
a. / black / c. / orangeb. / yellow / d. / white
____ 32. ______is used to contain an oil spill.
a. / boom / c. / sorbentsb. / skimmer / d. / chemical dispersants
____ 33. Amur honeysuckle and Kudzu are examples of
a. / biodiversity / c. / exotic speciesb. / native species / d. / endangered species
____ 34. Habitat fragmentation often leads to
a. / increased species diversity within an area / c. / decreased species diversityb. / larger habitats for species / d. / an increased food supply for species
____ 35. What is an example of a renewable resource?
a. / air / c. / coalb. / oil / d. / old growth forest
____ 36. A harmful material that can enter the biosphere through the land, air or water is
a. / smog / c. / bioremediationb. / pollutant / d. / all of the above
____ 37. When cleaning up an oil spill it is best used in calm waters after the use of a boom.
a. / sorbents / c. / chemical dispersantsb. / skimmer / d. / boom
____ 38. The variety of life in an area is called
a. / species diversity / c. / genetic diversityb. / biodiversity / d. / animal diversity
____ 39. Renewable sources of energy
a. / can replenish themselves naturally.b. / must be created in laboratories.
c. / are manufactured from fossil fuels.
d. / were never utilized until the 20th century.
__ 40. Coal is considered a nonrenewable resource because it
a. / is a fossil fuel. / c. / forms over millions of years.b. / can be readily replaced. / d. / is polluting.
____ 41. Ozone in the atmosphere
a. / leads to formation of acid precipitation.b. / combines readily with water vapor.
c. / absorbs harmful radiation and UV from the sun.
d. / is a renewable resource.
____ 42. The heat-trapping ability of some gases in the atmosphere can be compared to
a. / the melting of snow.b. / the way glass traps heat in a greenhouse.
c. / condensation because of heating.
d. / heating water on a stove.
____ 43. The extinction of species
a. / is a problem limited to the tropics.b. / has been increased by the activities of people.
c. / is a problem only where topsoil and groundwater are limited.
d. / is not a problem today.
____ 44. The steps needed to solve environmental problems include
a. / waiting for the affected species to leave an ecosystem that is in trouble.b. / leaving the problems to United Nations committees to address.
c. / educating the public about the problems and the costs of their solutions.
d. / taking any necessary action, regardless of the consequences or adverse effects.
____ 45. How can human populations live in a sustainable way?
a. / by slowing or reversing human population growthb. / by developing new technologies
c. / by reducing consumption of natural resources
d. / All of the above
____ 46. An old-growth forest is
a. / a renewable resource. / c. / a microclimate.b. / a nonrenewable resource. / d. / poor in biodiversity.
____ 47. The wearing away of surface soil by water and wind is known as
a. / deforestation. / c. / overgrazing.b. / desertification. / d. / soil erosion.
____ 48. Which biome has the greatest amount of biodiversity?
a. / grassland / c. / tropical rain forestb. / deciduous forest / d. / coniferious forest
____ 49. This type of pollution originates over a widespread area and is difficult to determine exactly where the pollution comes from is
a. / point pollution / c. / direct pollutionb. / nonpoint pollution / d. / indirect pollution
____ 50. What is an example of a nonrenewable resource?
a. / oil / c. / waterb. / air / d. / solar
Accelerated Biology Test: Chapter 6 2010-2011
Answer Section
MULTIPLE CHOICE
1. ANS: B
2. ANS: A
3. ANS: D PTS: 1 REF: p. 150
4. ANS: C PTS: 1 REF: p. 148
5. ANS: D
6. ANS: A
7. ANS: A
9. ANS: D
10. ANS: A
11. ANS: D
12. ANS: D PTS: 1 REF: p. 151
13. ANS: D PTS: 1 REF: p. 154
14. ANS: D PTS: 1 REF: p. 159
15. ANS: C PTS: 1 REF: p. 157
16. ANS: B PTS: 1
17. ANS: C PTS: 1
18. ANS: B PTS: 1
19. ANS: C PTS: 1
20. ANS: B PTS: 1
21. ANS: D PTS: 1
22. ANS: C PTS: 1
23. ANS: C PTS: 1
24. ANS: D PTS: 1
25. ANS: C PTS: 1
26. ANS: B PTS: 1
27. ANS: C PTS: 1
28. ANS: A PTS: 1
29. ANS: B PTS: 1
30. ANS: C PTS: 1
31. ANS: B PTS: 1
32. ANS: A PTS: 1
33. ANS: C PTS: 1
34. ANS: C PTS: 1
35. ANS: A PTS: 1
36. ANS: B PTS: 1
37. ANS: B PTS: 1
38. ANS: B PTS: 1
39. ANS: A PTS: 1 DIF: I OBJ: 6.1.2
40. ANS: C PTS: 1 DIF: I OBJ: 6.1.2
41. ANS: C PTS: 1 DIF: II OBJ: 6.2.1
42. ANS: B PTS: 1 DIF: I OBJ: 6.2.2
43. ANS: B PTS: 1 DIF: I OBJ: 6.2.5
44. ANS: C PTS: 1 DIF: III OBJ: 6.3.4
45. ANS: D PTS: 1 DIF: 1 OBJ: 22-2.6
46. ANS: B PTS: 1 REF: p. 146
47. ANS: D PTS: 1 REF: p. 145
48. ANS: C PTS: 1
49. ANS: B PTS: 1
50. ANS: A PTS: 1