Given a statement, generate a question such that the answer is contained in that statement.

[Q]: Fleas spread disease and destroy bananas plantains and citrus.
[A]: What do Fleas destroy?

[Q]: Mosses occupy niches in wet habitats.
[A]: Where do Mosses occupy niches?

[Q]: Tests are often done during science classes
[A]:
What is often done during science classes?