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

Ex Input:
Learned behavior is adaptive because they are flexible, capable of changing if the environment changes.

Ex Output:
What kind of behaviors are adaptive because they are flexible, capable of changing if the environment changes?

Ex Input:
In pupa stage of their life cycle do insects begin developing their wings.

Ex Output:
In what stage of their life cycle do insects begin developing their wings?

Ex Input:
Competive exclusion princple explains why two different species cannot occupy the same niche in the same place for very long.

Ex Output:
What explains why two different species cannot occupy the same niche in the same place for very long?