Answer:
I choose A, it seems loke the best choice
Explanation:
Your answer would be Why are Sea Lampreys a problem in the Great Lakes?
In the text, it explains the answer for this question. For the other three questions, it's asking for a factor of the paragraph rather than the whole thing. The whole paragraph explains the answers for all of the questions, so it's best to ask why are they causing problems.
symbiosis in which one of the symbiotic organisms lives inside the other
