All of the following are true of the Zebra mussels found in the Great Lakes EXCEPT:

Zebra mussels were accidentally introduced to the Great Lakes by humans and have harmed native mussel populations and disrupted the local environment. They also clog water-intake pipes and create other costly problems, so people in the region are not generally benefiting from their presence. Therefore, the statement that is not true is that people are benefiting from the economic advantages of zebra mussels.

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