Living in the Environment 18th Edition by Tyler Miller,Scott Spoolman

Exercise 6

Give two examples of the benefits that have been gained by the introduction of nonnative species. Give two examples of the harmful effects of nonnative species that have been introduced deliberately. Describe the harmful and beneficial effects of introducing the kudzu vine. Give two examples of harmful results of accidental introductions of nonnative species. List four ways to limit the harmful impacts of nonnative species. Explain why prevention is the best way to reduce threats from invasive species and list five ways to implement this strategy. Summarize the roles of population growth, overconsumption, pollution, and climate change in the extinction of wild species. Explain how pesticides such as DDT can accumulate and be biomagnified in food chains and webs.