EXPORT VIEW CH 10[1]

Living in the Environment: Principles, Connections, and Solutions (with CD-ROM and InfoTrac)

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APES CH 10 VIEW Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. The gray wolf is a keystone species because a. they cull herds of bison, elk and caribou. b. they keep coyote populations down. c. they provide meat for scavengers such as ravens and bald eagles. d. All of the above. e. Only a and b. ____ 2. One reason some people were opposed to reintroduction of gray wolves to Yellowstone National Park was a. that wolves would leave the park and attack ranchers' cattle and sheep. b. that hunters feared wolves would kill too many big-game animals. c. that mining and logging companies would have to halt operations on wolf-populated fed- eral lands. d. a and b only. e. All of the above. ____ 3. Ecological benefits of reintroducing wolves to Yellowstone include a. growth of aspen and cottonwoods near stream banks, due to fewer elk gathering near streams. b. decrease in the coyote population, which in turn has increased food sources for birds of prey. c. an increase in water temperature of streams within the park, decreasing the number of trout. d. a and b only. e. All of the above. ____ 4. Biodiversity should be protected because of its intrinsic value. The definition of intrinsic value is a. the value of an organism, species , or ecosystem based on its existence, regardless of whether it has any usefulness to humans. b. the value of an organism, species, or ecosystem based on its usefulness to humans c. the satisfaction of knowing that something in nature exists even if we get no direct use from it. d. the aesthetic value of a species.
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e. the willingness of some people to pay to protect some forms of natural capital for use by future generations. ____ 5. All of the following are ecological services forests provide except ? a. reduce soil erosion b. store atmospheric carbon c. provide habitats d. provide recreation e. purify air and water ____ 6. Which of the following is not an ecological service provided by forests? a. support energy flow and chemical cycling b. pollination c. reduce soil erosion d. absorb and release water e. purify air and water ____ 7. Which of the following is not an economic service provided by forests? a. purification of water and air b. fuelwood c. lumber d. mining e. jobs ____ 8. You can thank forests if you use/enjoy a. housing. b. medicines. c. fireplaces. d. All of these answers. e. None of these answers. ____ 9. Snags and fallen trees a. contribute to erosion of the soil from logged forests. b. recycle nutrients in the forest ecosystem. c. mess up the order of a forest ecosystem.
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d. defy the second law of thermodynamics. e. All of these answers. ____ 10. Which of the following is not a result of deforestation? a.
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EXPORT VIEW CH 10[1] - APES CH 10 VIEW Multiple Choice...

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