I think it's d but I'm not sure!!
Answer: B)
Explanation: Meiosis is sexual reproduction. It is not asexual reproduction, due to this offspring's will receive half of the chromosomes from their mother and father. 23 from mother; 23from father. Total of 46
Answer: Cells membrane
Cells membrane is like a skin to human. It will be the border of the cells and protect it from outside by limiting things that can pass into it. It also used to dump waste so it should be able to make it pass out of cells. When cells membrane is disrupted/damaged, the existence of the cell can be threatened.
Answer: Energy is the ability to do work and allows living things to perform all the functions necessary to live.
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.