Understanding Aquatic and Terrestrial Pollutants

What is the primary focus of Unit 8 compared to Unit 7?

• Human health impacts

• Aquatic and terrestrial pollutants

• Atmospheric pollutants

• Climate change

Which of the following is an enduring understanding from the College Board for Unit 8?

• Ecosystems are unaffected by chemical changes

• Pollutants can have direct and indirect effects on organisms

• Human actions have no impact on ecosystems

• Pollutants only affect the atmosphere

What is eutrophication?

• A method to reduce air pollution

• A type of terrestrial pollutant

• A way to increase biodiversity

• A process of water becoming enriched with nutrients

Which human activity is a common cause of eutrophication?

• Burning fossil fuels

• Urban development

• Use of fertilizers

• Deforestation

What is a biological consequence of eutrophication?

• Increased water clarity

• Decreased algae population

• Algae bloom

• Higher oxygen levels

What condition results from decreased dissolved oxygen due to eutrophication?

• Hyperoxia

• Anoxia

• Eutrophia

• Hypoxia

Which solution can help reduce nutrient inputs into bodies of water?

• Building more dams

• Using more fertilizers

• Reestablishing riparian habitats

• Increasing urban runoff

How can wastewater treatment plants help reduce eutrophication?

• By discharging untreated water

• By adding tertiary treatment methods

• By increasing nutrient levels

• By adding primary treatment methods

Which sustainable agriculture technique can reduce nutrient runoff?

• Crop rotation with legumes

• Slash and burn agriculture

• Monoculture farming

• Overgrazing

What is a benefit of using permeable pavement in urban areas?

• Decreases water absorption

• Increases urban runoff

• Reduces nutrient inputs into aquatic ecosystems

• Increases sedimentation