instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
The heterotroph eats only or mainly plants.
answer:
The heterotroph eats only or mainly what?


question:
Light retains its original color under water because frequency remains the same when light is refracted.
answer:
Light retains its original color under water because what remains the same when light is refracted?


question:
Positive feedback intensifies a change in the body’s physiological condition rather than reversing it.
answer:

What type of feedback intensifies a change in the body’s physiological condition rather than reversing it?