Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman

Exercise 13

Give two examples of the benefits of introducing some nonnative species. Give two examples of the harmful effects of nonnative species that have been introduced (a) deliberately and (b) accidentally. Describe the harmful and beneficial effects of introducing the kudzu vine. 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 be biomagnified in food chains and webs. Describe what is happening to some honeybee populations in the United States.