Origin and Distribution

Zebra mussels are native to:
  A. South and Central America.
  B. Eastern Asia.
  C. Eastern Europe and Western Asia.
  D. Vietnam and Russia.

Transportation

Zebra mussels were transported to the United States via:
  A. Fisherman's bait buckets.
  B. Ballast water in ships.
  C. A leisure cruise ship.
  D. The aquarium trade.
  E. All of the above.

Environmental Impact

Zebra mussels are a threat to the environment because they:
  A. Produce pseudofeces.
  B. Eat too much phytoplankton.
  C. Clear up the water.
  D. None of the above.
  E. All of the above.

Economic Impact

Zebra mussels clog industrial pipes, causing major problems in the United States.
  True
  False

Control

The best way to control zebra mussels is to make mussel stew.
  True
  False