study+guide+for+Great+Lakes

Great Lakes Review Guide
Name Per Date

How were the Great Lakes created?
 * Section 4-1**

What is an "ecosyster"?

What is a "water shed"?

What is the difference between a "food chain" and a "food web"?
 * Section 4-2**

In the space below, draw out a food chain that has at least 3 levels.

What is the significance of **burning rivers, dead ducks, and lampreys?**
 * News Article: The Sad State of our Great Lakes**

What happened in 1972 to the Great Lakes?
 * Section 4-4**

What are invasive species? How do they affect the GL? Give some examples.
 * Section 4-5**

What happened to forests around the GL in the 1800?
 * Section 4-6**

Describe the water shortage problem in China-
 * Section 4-7**

Egypt-