Origin and Distribution

Ruffe originally came from the saltwater ecosystems of Europe and Asia.
  True
  False

Transportation

Ruffe hitched a ride around 1985 in the ballast water of a ship headed to North America, and quickly spread into many different bodies of water including:
  A. St. Louis River in Minnesota and Wisconsin
  B. Lake Superior
  C. Lake Huron
  D. Northern Lake Michigan
  E. All of the above

Environmental Impact

The ruffe eats other bottom dwelling organisms, small aquatic insects, and eggs of other fish.
  True
  False 

Economic Impact

Ruffe negatively affect the commercial fishing industry because they compete for food with many native fish, including:
  A. Walleye
  B. Silver carp
  C. Yellow perch
  D. A and C
  E. All of the above

Control

If you use ruffe as bait you can help control its population.
  True
  False