• 2022-06-05 问题

    Which of the following are ecological benefits of reintroducing wolves to Yellowstone National Park? A: growth of aspen and cottonwood trees near stream banks, due to fewer elk gathering near streams B: decrease in 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

    Which of the following are ecological benefits of reintroducing wolves to Yellowstone National Park? A: growth of aspen and cottonwood trees near stream banks, due to fewer elk gathering near streams B: decrease in 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

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