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

Ex Input:
Microscopes were first developed in the early 1600s by eyeglass makers.

Ex Output:
Microscopes were first developed in the early 1600s by this trade?


Ex Input:
Energy do ecosystems absorb on the earth.

Ex Output:
What do ecosystems absorb on the earth?


Ex Input:
During larva stage of its life cycle does a butterfly spend the most time eating plant leaves.

Ex Output:

During which stage of its life cycle does a butterfly spend the most time eating plant leaves?