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

Q: Transpiration is when plant roots absorb liquid water and release water vapor into the atmosphere.

A: What is it called when plant roots absorb liquid water and release water vapor into the atmosphere?
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Q: Atoms of metals are good conductors of electricity because they give up electrons.

A: Why are atoms of metals good conductors of electricity?
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Q: It stops occurring happens to evolution when equilibrium is reached within the genes of the population.

A:
What happens to evolution when equilibrium is reached within the genes of the population?
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