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

[EX Q]: fertilization is used for creating offspring
[EX A]: What is used to create offspring?

[EX Q]: an kangaroo probably has a placenta
[EX A]: What does a kangaroo have?

[EX Q]: Larvae burrow into the host through the skin.
[EX A]:
Who burrows into the host through the skin?