Question

The zebra mussel, quagga mussel, and round goby

a. first appeared in North America in or near Lake St. Clair
b. likely reached the Great Lakes in the ballast of a freighter
c. have their native range in the Black and/or Caspian Seas
d. can all be found in deep waters

Answer 1

d. can all be found in deep waters

a. first appeared in North America in or near Lake St. Clair (correct)

b. likely reached the Great Lakes in the ballast of a freighter (correct)

c. have their native range in the Black and/or Caspian Seas (correct)