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

The pressure of ocean water increases rapidly as the water gets deeper.
What property of ocean water increases rapidly as the water gets deeper?

Protist diseases in humans are caused by protozoa.
What type of diseases in humans are caused by protozoa?

All members of a species living together form a(n) population.

All members of a species living together form a what?