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

[Q]: hornworts occupy niches in wet habitats
[A]: What occupy niches in wet habitats?


[Q]: Astronomers observe constellations with scopes.
[A]: What do Astronomers observe constellations with?


[Q]: experiments are often done for learning and development
[A]:
What is often done for learning and development?