How Do Humans Impact Ecosystems?

How Do Humans Impact Ecosystems?

pages 114-117

What should never be thrown in the trash

• motor oil (contaminates waterways)

• electronics (contain cadmium and lead)

• paint (chemicals)

• light bulbs (mercury) <=old thermometers

• smoke detectors (radiation)

Multiple Choice

What can be polluted?

• air

• water

• land

• all of these

Multiple Select

How do invasive species harm an ecosystem?

• They add to the diversity of an ecosystem.

• They upset the balance of the ecosystem food web.

• They compete with other animals for habitat space.

• They sometimes eat other animals that are parasites for humans.

Multiple Select

What should humans be doing to help correct some of the harm we have done to our ecosystems?

• conservation

• regulation

• preservation

• pollution