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

Q: Darwin believed in gradualism.

A: Did darwin believe in punctuated equilibrium or gradualism?
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Q: Absorption is the process by which the substances you consume are taken up by the blood.

A: What is the process by which the substances you consume are taken up by the blood?
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Q: Body movements help circulate the hemolymph by periodically squeezing the sinuses.

A:
Body movements help circulate the hemolymph by periodically squeezing what?
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