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

An animal with an additional joint in its mandible became more mammal-like as it continued to evolve
What did an animal with an additional joint become?

The volume of an item can be used to measure the mass of the object.
The volume of an item can be used to measure what?

Rabbits give birth to relatively large and mature infants

What gives birth to relatively large and mature infants?