TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: In machines that increase force, such as ramps and doorknobs and nutcrackers, output is greater is the relation between output and input force.

SOLUTION: In machines that increase force, such as ramps and doorknobs and nutcrackers, what is the relation between output and input force?

PROBLEM: In prokaryotes, a(n) genome is composed of a single, double-stranded dna molecule in the form of a loop or circle.

SOLUTION: In prokaryotes, what is composed of a single, double-stranded dna molecule in the form of a loop or circle?

PROBLEM: Biodiversity helps ensure that, at least, some species will survive environmental change.

SOLUTION:
What helps ensure that, at least, some species will survive environmental change?