Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

[EX Q]: Fact: insects generally have two pairs of wings to move quickly away from predators. 
Question: what do insects have to move quickly away from predators?
[EX A]: two pairs of wings.

[EX Q]: Fact: combining an egg and sperm increases genetic diversity. 
Question: what increases genetic diversity?
[EX A]: combining egg and sperm.

[EX Q]: Fact: Plants detect and respond to diurnal cycles. 
Question: What is the name of the light cycle that plants detect?
[EX A]:
diurnal.