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

[Q]: The earth's magnetic poles have switched places repeatedly in the past.
[A]: The earth's magnetic poles have done what repeatedly in the past?

[Q]: Cells are small biological structures that make up all living things, including the human body.
[A]: What small biological structures make up all living things, including the human body?

[Q]: Stem basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures.
[A]:
What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures?