Chapter 4: The Great Lakes

Question 1

What is the main difference between point-source and non-point-source pollution?

Accepted Answer

where the pollution comes from

Question 2

Which best defines as a geographic area that includes all rivers and streams that flow into it?

Accepted Answer

watershed

Question 3

If a fish in the Great Lakes is poisoned, which of the following is likely to be affected?

Accepted Answer

all of the answers are correct

Question 4

The Great Lakes were created by the movement of

Accepted Answer

ice

Question 5

Which of the following is not one of the Great Lakes?

Accepted Answer

Lake Maine

Question 6

Pollution that does not come from a single location is called

Accepted Answer

non-point-source pollution

Question 7

Which of these is a major reason for a growing water shortage in many countries?

Accepted Answer

population growth

Question 8

Which have been introduced to the Great Lakes to reduce the invasive species of alewives?

Accepted Answer

pacific salmon

Question 9

This invasive species poses a huge threat to native species & boaters and water skiers.

Accepted Answer

Asian carp

Question 10

Which of the following is true of a watershed?

Accepted Answer

include all land & waterways that drain into a body of water

Question 11

What could cause a toxic chemical in the soil to make its way into streams and lakes?

Accepted Answer

runoff

Question 12

Which of the following is true about the Great Lakes ecosystem?

Accepted Answer

It has the largest freshwater ecosystem in the world.

Question 13

What was a result of the new laws to protect the Great Lakes?

Accepted Answer

PCBs and DDT in the food chain declined.

Question 14

What happened in 1972 that helped protect the Great Lakes?

Accepted Answer

The Great Lakes Water Quality Agreement was created.

Question 15

Which U.S. city sits next to the Great Lakes?

Accepted Answer

Chicago

Question 16

What could cause some areas to get more or less rainfall than they do today?

Accepted Answer

global warming

Question 17

What is the greatest threat to wetland habitats in the Great Lakes region?

Accepted Answer

human development

Question 18

Which of the following is true about drinking water?

Accepted Answer

Unsafe drinking water can carry deadly diseases.

Question 19

Which of the following suffered most from DDT poisoning in the Great Lakes region?

Accepted Answer

fish-eating birds (birds that eat fish)

Question 20

The percentage of the Earth's water that is able to meet human needs is around

Accepted Answer

1%

Question 21

A natural environment in which a plant or animal lives is called a

Accepted Answer

habitat

Question 22

Insects feed on the algae and plants that grow in the Great Lakes. Tiny fish eat the insects.

Accepted Answer

Great Lakes food chain

Question 23

How were the Great Lakes created?

Accepted Answer

by the melting of glaciers

Question 24

How many lakes make up the Great Lakes?

Accepted Answer

five

Question 25

The sea lamprey and zebra mussel are part of which of these Great Lakes ecosystem problems?

Accepted Answer

invasive species

Chapter 4: The Great Lakes

Questions 25

Chapter 4: The Great Lakes

Questions 25