Zebra mussels are originally native to Russia. In the mid-1980's, zebra mussels were introduced into the Great Lake region of the United States where they rapidly reproduced; females can produce up to one million eggs per year. Besides being rapid reproducers, the zebra mussel has outcompeted native because because

Responses
A they have no known predators.they have no known predators.
B they have no known competitors.they have no known competitors.
C they interfere in the local aquatic food web.they interfere in the local aquatic food web.
D they are camouflaged and escape being captured.

C they interfere in the local aquatic food web.