Chapter 2 NORTH AMERICA

Snakehead Report

After watching the Snakehead Report video, consider the questions below. Then "submit" your response.

1. The worry about the presence of the Asian snakehead in the Potomac River is that

The fish attacks human beings.

The fish eats other fish.

The fish die in large numbers, making the river unpleasant.

The fish carry disease.

2. A major source of income in the tributaries to the Potomac is

Breeding game fish.

Commercial fishing.

Bass fishing for sport.

Sightseeing from glass-bottomed boats.

3. If snakehead fishing for sport were to become popular, the potential danger would be:

Snakeheads might be spread into other waters.

Snakeheads would make people sick.

People would no longer hire guides to fish for traditional species, like bass.

There would be too many snakeheads for the environment to support.

4. A major cause of the introduction of invasive species is:

They are imported for decorative purposes.

They hitch a ride in increasing amounts of world trade.

Tourists buy them as souvenirs on trips overseas.

None of the above.