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

Q: Atp or adenozine triphosphate is used for most energy functions in organisms.

A: What molecule is used for most energy functions in organisms?
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Q: Filter feeders called rotifers collect digestive and excretory wastes in cloacal bladder primitive organ.

A: Filter feeders called rotifers collect digestive and excretory wastes in what primitive organ?
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Q: Metal conducts heat and electricity so well because of free flowing electrons.

A:
Why does metal conduct heat and electricity so well?
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