Testing your comprehension

Answer all questions

 

1.List and describe the seven general categories of toxic substances described in this chapter

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2. Describe and contrast the processes of bioaccumulation and biomagnification.

3.Explain the dose-response curve. Why do endocrine- disrupting chemicals such as BPA pose challenges for toxicology?

4.What factors may affect an individual’s response to a toxic substance?

5.Name three major types of water pollutants, and provide an example of each. Explain which classes of pollutants you think are most important in your local area.

6.Define groundwater, and list some anthropogenic (human) sources of groundwater pollution. Why do many scientists consider groundwater pollution a greater problem than surface water pollution?

7.Name three industrial fishing practices, and explain how they create bycatch and harm marine life