Chapter 4 - The Great Lakes Assessment - Re-Take

An ecosystem is ________

• 
• 
• 

The Great Lakes contain the world's largest amount of __________.

• Saltwater

• Freshwater

• Ecosystems

• Pollution

Oil and sewage dumping by factories is an example of _________.

• 
• 

Most invasive species enter the Great Lakes by _______.

• 
• 
• 

The Great Lakes were formed by _____.

• glaciers from the last ice age

• global warming

• cracks in the earth

• habitat loss

The Great Lake that is the largest and the deepest is ______.

• Lake Huron

• Lake Ontario

• Lake Superior

• Lake Michigan

True or False: Sea Lampreys are an invasive species in the Great Lakes

• True

• False

Which Great Lake is this?

• Lake Erie

• Lake Superior

• Lake Michigan

• Lake Ontario

Which Great Lake is number 1?

• Lake Ontario

• Lake Superior

• Lake Michigan

• Lake Huron

Which Great Lake is number 5?

• Lake Ontario

• Lake Superior

• Lake Huron

• Lake Erie