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

Input: Consider Input: Its temperature and ph best determines the health of a lake used as a source of freshwater.

Output: Which best determines the health of a lake used as a source of freshwater?


Input: Consider Input: In invertebrates group of animals several forms of asexual reproduction are found.

Output: In what group of animals several forms of asexual reproduction are found?


Input: Consider Input: Transforming from a caterpillar to a butterfly requires a lot of energy.


Output: Transforming from a caterpillar to a butterfly requires a lot of what?


