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This course covers fundamental of ecotoxicology, including chemical action on plants, wildlife, and ecosystems. Coursework explores toxic effects of pollutants and other stressors at multiple levels of function ranging from cellular and organ systems to populations, communities, and ecosystem functions. Students will learn essential concepts governing fate, exposure, and toxic mechanisms of chemicals as well as basic mathematical models used to investigate biological uptake, bioaccumulation, and dose-response effects. Course includes lessons on application of ecotoxicology, including standard procedures for toxicity testing, risk assessment, and measuring exposures and impacts in the field. Topics are covered in a framework of basic biology and ecology, including cellular/organismal functions, trophic structure, food-web dynamics, population biology and community ecology. Offered online every two years. Prerequisite: 420.611 Principles and Methods of Ecology, equivalent course, or experience.