Unit 8 Water Pollution

8.1 Sources of Pollution

8.1a Describe point and nonpoint source pollution and the differences between those sources.
Textbook correlation Chapter 14, Modules 41-43; Chapter 17,Module 57

8.2 Human Impacts on Ecosystems

8.2a Examine how aquatic organisms, like coral reefs, have a tolerance range for conditions like dissolved oxygen and pollutants.
8.2b Describe the impacts of oils spills and sedimentation in aquatic ecosystems and economies.
8.2c Describe the sources and impacts of heavy metals, mercury, and litter in aquatic environments.
Textbook correlation Chapter 8, Module 25; Chapter 14, Modules 41-44; Chapter 16, Modules 51-54; Chapter 17, Module 57; Chapter 18, Module 60

8.3 Endocrine Disruptors

8.3a Describe chemicals known as endocrine disruptors and examine their effects on ecosystems.
Textbook correlation Chapter 14, Modules 42 and 44; Chapter 17, Module 57

8.4 Human Impacts on Wetlands and Mangroves

8.4a Define the characteristics of wetlands and describe their ecological services.
8.4b Describe sources and impacts of human associated threats to wetland and mangrove communities.
Textbook correlation Chapter 4, Module 13; Chapter 18, Module 60

8.5 Eutrophication

8.5a Describe the human activities that lead to eutrophication of our surface waters.
8.5b Explain the processes that create low dissolved oxygen levels that can be deadly to aquatic organisms.
Textbook correlation Chapter 14, Module 41

8.6 Thermal Pollution

8.7 Persistent Organic Pollutants (POPs)

8.7a Define what a persistent organic pollutant is, then discuss common types of persistent organic pollutants.
8.7b Describe the impacts of persistent organic pollutants on nontarget organisms.
Textbook correlation Chapter 17, Module 57

8.8 Bioaccumulation and Biomagnification

8.8a Explain the processes of bioaccumulation and biomagnification, then identify common substances that can bioaccumulate.
8.8b Discuss the impacts bioaccumulation and biomagnification have on the environment and on human health.
8.8c Apply content knowledge of bioaccumulation and biomagnification.
Textbook correlation Chapter 17, Module 57

8.9 Solid Waste Disposal

8.9a Identify different types of solid waste and discuss management of solid waste via sanitary landfills.
8.9b Discuss alternative methods of solid waste management.
8.9c Describe the positive and negative effects of solid waste disposal methods on the environment and humans.
Textbook correlation Chapter 14, Module 44; Chapter 16, Modules 51-54

8.10 Waste Reduction Methods

8.10a Discuss the removal of materials from the solid waste stream via reuse, recycling, and composting, then identify potential drawbacks to these methods.
8.10b Discuss strategies that mitigate the impact of landfills on the environment.
8.10c Apply content knowledge of waste reduction methods to illustrate how they work.
Textbook correlation Chapter 16, Modules 52-55

8.11 Sewage Treatment

8.11a Describe the process of sewage treatment, then explain primary, secondary, and tertiary treatment.
8.11b Apply content knowledge of sewage treatment to illustrate how they work.
Textbook correlation Chapter 14, Module 41

8.12 Lethal Dose 50% (LD50)

8.13 Dose Response Curve

8.13a Define dose response curve and correctly interpret data given on a dose response curve.
Textbook correlation Chapter 17, Module 57

8.14 Pollution and Human Health

8.14a Describe how pollutants can contribute to human health issues.
Textbook correlation Chapter 14, Module 41; Chapter 15, Modules 46-47; Chapter 17, Modules 56, 58

8.15 Pathogens and Infectious Diseases

8.15a Examine factors that promote the occurrence and movement of pathogens and infectious diseases.
8.15b Describe conditions that lead to viral and bacterial infections that can spread via contaminated water and human contact.
8.15c Explain infectious diseases associated with the bite of mosquitoes or other vectors organisms.
Textbook correlation Chapter 17, Module 56; Chapter 19, Module 64

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