TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Evolution occurs by natural selection, a process whereby better-adapted members pass along their traits, according to darwin.

SOLUTION: Evolution occurs by what process whereby better-adapted members pass along their traits, according to darwin?

PROBLEM: At a convergent plate boundary, when one plate is oceanic, there are large volcanoes.

SOLUTION: At a convergent plate boundary, when one plate is oceanic, there are large what?

PROBLEM: Degree of dna coiling determines the length and thickness of dna chromosomes.

SOLUTION:
What determines the length and thickness of dna chromosomes?