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

[Q]: Bees are naturalized on every continent except antarctica.
[A]: Bees are naturalized on every continent except which?

[Q]: The refrigerator door contains iron of the following statements best explains why magnets usually stick to a refrigerator door.
[A]: Which of the following statements best explains why magnets usually stick to a refrigerator door?

[Q]: Larval stage developmental stage do alligators lack that most other amphibians have.
[A]:
What developmental stage do alligators lack that most other amphibians have?