Which Statement About Zebra Mussels in North America Is True

question 1

Multiple Choice

Which statement about zebra mussels in North America is true?

• A) They arrived in North America from ballast water discharged into the Great Lakes.
• B) They are predators that hunt their food.
• C) They usually do not foul infrastructure.
• D) They can dramatically increase populations of phytoplankton.

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