In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

[Q]: Question: What requires energy for growth? Answer: a hippopotamus.
[A]: an organism requires energy for growth


[Q]: Question: Birds go south to look for? Answer: a different climate.
[A]: An example of migration is birds flying south in the winter


[Q]: Question: In the natural world, camouflage is used by animals to? Answer: avoid being a meal.
[A]:
camouflage is used for hiding by animals against predators