Freshwater Ecosystems and Pollution Quiz

The primary purpose of fish ladders is to control water flow in hydroelectric dams.

• True

• False

Which zones are present in standing water ecosystems?

• Littoral, Limnetic, and Profundal

• Benthic and Profundal only

• Limnetic and Littoral only

• All: Littoral, Benthic, Limnetic, Profundal

Which pollutants contribute to groundwater contamination?

• Heavy metals and fertilizers

• Oil spills and fertilizers

• Pathogens and oil spills

• All: Heavy metals, fertilizers, oil spills, pathogens

Tags

NGSS.MS-ESS3-3

What are key benefits of estuaries?

• Provide migratory bird habitats and filter pollutants

• Offer storm protection and increase point-source pollution

• Offer storm protection and increase eutrophication rates

• Provide migratory bird habitats, filter pollutants, and offer storm protection

Tags

NGSS.MS-LS2-5

Which of the following are common human impacts on freshwater ecosystems?

• Runoff pollution and dams altering river systems

• Overfishing and coral bleaching

• Dams altering river systems and coral bleaching

• Runoff pollution, overfishing, and dams altering river systems

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The zone characterized by shallow water supporting plant growth is:

• Littoral

• Limnetic

• Benthic

• Profundal

Nutrient pollution primarily results from:

• Natural causes

• Fertilizer use

• Thermal pollution

• Overfishing

Tags

NGSS.MS-ESS3-4

The energy source that turns water into electricity using turbines in dams is:

• Tidal

• Wave

• Hydroelectric

• Hydrogen

Which ecosystem provides storm protection and filters pollutants?

• Estuaries

• Wetlands

• Oceans

• Coral reefs

Tags

NGSS.MS-LS2-5

Point-source pollution originates from:

• Multiple locations

• A single location

• Sediment erosion

• Groundwater runoff