Pollution Sources and Aquatic Ecosystem Impacts Quiz

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What distinguishes a point source of pollution from a nonpoint source of pollution?

Point sources are always natural, while nonpoint sources are always man-made.

Point sources are small-scale, while nonpoint sources are large-scale.

Point sources are temporary, while nonpoint sources are permanent.

Point sources are single, identifiable sources like smokestacks, while nonpoint sources are diffused and challenging to identify. (correct)

How do oil spills in marine waters impact organisms?

Killing some bottom-dwelling organisms due to oil sinking to the ocean floor.

Only coating the feathers of birds and fur of marine mammals.

Causing organisms to die from the hydrocarbons in oil. (correct)

Having no significant impact on marine life.

What is a characteristic of oceanic dead zones?

They have low oxygen levels due to increased nutrient pollution. (correct)

They are areas with extremely high oxygen levels.

They are caused by a lack of biological refuse in the water.

They are a result of decreased nutrient pollution.

What factors contribute to the damage suffered by coral reefs?

Increasing ocean temperature, sediment runoff, and destructive fishing practices. Signup and view all the answers

What impacts can heavy metals from industrial activities have on groundwater?

Negatively impacting the drinking water supply. Signup and view all the answers

What is the purpose of an oxygen sag curve?

To monitor dissolved oxygen levels relative to pollution sources like excess nutrients. Signup and view all the answers

How can litter impact aquatic ecosystems?

Create intestinal blockage and choking hazards for wildlife Signup and view all the answers

What is the primary effect of eutrophication on aquatic environments?

Algal bloom formation Signup and view all the answers

How do endocrine disruptors affect animals?

Cause birth defects and developmental disorders Signup and view all the answers

What is a common feature of oligotrophic waterways compared to eutrophic waterways?

High levels of dissolved oxygen Signup and view all the answers

What is the impact of thermal pollution on aquatic ecosystems?

Negatively affects organisms due to heat release Signup and view all the answers

How do persistent organic pollutants (POPs) travel through the environment?

Long distances via wind and water Signup and view all the answers

What occurs in an ecosystem when a persistent substance is biomagnified in a food chain?

Developmental deformities in top carnivores Signup and view all the answers

What is the primary disposal method for solid waste?

Disposal in landfills Signup and view all the answers

What is the main impact of anthropogenic causes of eutrophication on water bodies?

Algal bloom formation Signup and view all the answers

How do wetlands contribute to the environment?

Provide flood protection and habitat Signup and view all the answers

What are the components of a sanitary municipal landfill?

Bottom liner, storm water collection system, cap, methane collection system Signup and view all the answers

Why is incineration of solid waste controversial?

It releases air pollutants Signup and view all the answers

What environmental problem can arise from the illegal disposal of rubber tires?

Breeding grounds for mosquitoes leading to disease spread Signup and view all the answers

Which hazardous chemicals can leach from e-wastes if not disposed of properly?

Lead and mercury Signup and view all the answers

What is the primary purpose of secondary treatment in sewage treatment?

Biological breakdown of organic matter Signup and view all the answers

Which strategy can help reduce the volume of solid waste in landfills?

Burning waste for energy production Signup and view all the answers

"Composting can be used as ___ according to the text."

"a fertilizer" Signup and view all the answers

Which option accurately describes tertiary treatment in sewage treatment?

Use of ecological processes to remove pollutants Signup and view all the answers

What is one drawback of recycling mentioned in the text?

High energy consumption and cost Signup and view all the answers

How are the gases produced from decomposition in landfills utilized?

Used to generate electricity by turning turbines Signup and view all the answers