The Introduction of the Zebra Mussel from the Caspian Sea

question 25

Multiple Choice

The introduction of the zebra mussel from the Caspian Sea to the Great Lakes was:

• A)Intentional,to help clean the Great Lakes
• B)Accidental,it was brought over on the hulls of fishing ships
• C)Intentional,to provide food for an endangered fish
• D)Accidental,from the ballast water from ships
• E)Intentional,to provide food for humans

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