Amplify - How Ecosystems Clean Earth’s Water

What role do wetlands play in filtering water?

• Wetlands add nutrients to water.

• Wetlands filter water by acting like a strainer.

• Wetlands increase water temperature.

• Wetlands remove oxygen from water.

What is one sign of a healthy ecosystem?

• Low biodiversity

• High biodiversity

• Lack of organisms

• High pollution levels

Why is biodiversity important in an ecosystem?

• It decreases the strength of the ecosystem.

• It makes the ecosystem more likely to break down.

• It strengthens the ecosystem and makes it less likely to break down.

• It reduces the number of species in the ecosystem.

What do healthy ecosystems provide to humans?

• Pollution

• Water filtering

• Increased disease

• Less food

What do ecosystems help move to places where they are needed?

• Air

• Nutrients

• Water

• Light

What is one benefit ecosystems provide to humans?

• They increase air pollution.

• They provide food for us to eat.

• They reduce biodiversity.

• They make water undrinkable.

What is the relationship between biodiversity and ecosystem strength?

• More biodiversity weakens the ecosystem.

• Less biodiversity strengthens the ecosystem.

• More biodiversity strengthens the ecosystem.

• Biodiversity has no effect on ecosystem strength.

What do healthy ecosystems help keep clean?

• Soil

• Air and water

• Rocks

• Fire

What is the main topic of the document?

• How ecosystems harm the Earth

• How ecosystems clean Earth's water

• How ecosystems increase pollution

• How ecosystems reduce biodiversity

What is one function of ecosystems mentioned in the text?

• Increasing pollution

• Providing food

• Destroying habitats

• Reducing biodiversity