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

[Q]: Bacteria may divide several times an hour.
[A]: Bacteria may divide several what an hour?


[Q]: Platelets blood component serves both structural and molecular functions in blood clotting.
[A]: What blood component serves both structural and molecular functions in blood clotting?


[Q]: Human overpopulation is crowding out other species and making all the other causes of extinction worse.
[A]:
What phenomenon is crowding out other species and making all the other causes of extinction worse?