Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Ex Input:
Hydras and sea anemones are examples of apolyp.

Ex Output:
Hydras and sea anemones are examples of what form?


Ex Input:
Sexually do invertebrates reproduce.

Ex Output:
How do invertebrates reproduce?


Ex Input:
The vertebrate endoskeleton can also be called a(n) internal skeleton.

Ex Output:
The vertebrate endoskeleton can also be called what?