The Great Lakes are troubled with invasive species. Which of the following aquatic organisms is considered invasive?

Question

Quizplus · Accepted Answer

Zebra mussels are considered invasive species in the Great Lakes. They are native to Eastern Europe and Western Asia and were introduced to North America through ballast water from ships. They have caused significant ecological and economic impacts in the Great Lakes, including the loss of native species, clogging of water intake structures, and changes in water chemistry. Trout and darters are native species to the Great Lakes and are not considered invasive.

The Great Lakes Are Troubled with Invasive Species