Lamprey Populations Introduced into the Great Lakes Have Grown Dramatically

question 10

Multiple Choice

Lamprey populations introduced into the Great Lakes have grown dramatically. Why?

• A) A fish species that they naturally prey upon has recently been introduced into the Great Lakes.
• B) Lamprey stocking programs have been highly effective.
• C) Competitive species have driven them from the ocean.
• D) They have no natural predators in these waters.
• E) Fishers have intentionally introduced them with the hope of farming them for ʺeel skin.ʺ

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