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]: Air is an example of what state of matter?
[EX A]: solid

[EX Q]: Internal metabolism and the external environment are the sources of heat for what?
[EX A]: hemeostasis

[EX Q]: What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures?
[EX A]:
root