Given a scientific question, generate an incorrect answer to the given question. The incorrect answer should be a plausible alternative to the correct answer. The answer should be some other item belonging to the same category as the correct answer but should be incorrect.

[EX Q]: Warming conditions and, perhaps, human activities contributed to what fate of many organisms of the pleistocene era?
[EX A]: overpopulation

[EX Q]: Many ionic compounds with relatively large cations and a 1:1 cation:anion ratio have this structure, which is called the what?
[EX A]: boron chloride structure

[EX Q]: What is the term for a substance that increases the rate of a chemical reaction but is not changed or used up in the reaction?
[EX A]:
a mechanism