The Great Lakes Review

What is an ecosystem?

• A series of plants and animals, each of which depends on the one below it for food

• All of the feeding relationships in an ecosystem

• A community of all the living things in an area and the environment in which they live

• A geographic area that includes all of the land and waterways that drain into a big body of water

What is a food chain?

• A series of plants and animals, each of which depends on the one below it for food

• All of the feeding relationships in an ecosystem

• A community of all the living things in an area and the environment in which they live

• A geographic area that includes all of the land and waterways that drain into a big body of water

What is a food web?

• A series of plants and animals, each of which depends on the one below it for food

• All of the feeding relationships in an ecosystem

• A community of all the living things in an area and the environment in which they live

• A geographic area that includes all of the land and waterways that drain into a big body of water

What is a watershed?

• A series of plants and animals, each of which depends on the one below it for food

• All of the feeding relationships in an ecosystem

• A community of all the living things in an area and the environment in which they live

• A geographic area that includes all of the land and waterways that drain into a big body of water

Which of the following are the Great Lakes used for? Check ALL that apply.

• Farming

• Recreation

• Industry and Businesses

• Shipping

• Homes

How did the Great Lakes form?

• Teams of workers dug the holes for them, and filled them with water over time.

• Ice glaciers melting and filling the big holes over thousands of years.

• A meteor split and crashed making five different craters, which later formed the Great Lakes.

Fill in the blank:

The Great Lakes are the world's ________ freshwater ecosystem.

• Smallest

• Only

• Largest

• Coldest

What happened to the Great Lakes in 1969?

• They dried up

• They expanded

• They became heavily polluted

How did factories help fix the pollution problem in the Great Lakes? Check ALL that apply.

• They used less harsh chemicals

• They held fundraisers to raise awareness

• They limited the amount of chemicals put in the water

• They shut down all businesses on the lakes

How did consumers help with pollution?

• Began using better products for the environment

• Attended rallies and fundraisers

• Moved to a cleaner place

• Started a vegan diet