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

  • 8.6a Explain sources and impacts of thermal pollution.
  • Textbook correlation Chapter 14, Module 44

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)

  • 8.12a Define lethal dose 50% and explain how LD50 differs between substances.
  • Textbook correlation Chapter 17, Module 57

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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