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

Q: Constructive forces type of forces are involved when deposited rock forms deltas or barrier islands.

A: What type of forces are involved when deposited rock forms deltas or barrier islands?
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Q: The pupil is the name of the black opening in the eye that lets light enter.

A: What is the name of the black opening in the eye that lets light enter?
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Q: You call a group of organisms of the same species that live in the same area a(n) population.

A:
What do you call a group of organisms of the same species that live in the same area?
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