Natural Selection Requires That Variation Exists in a Population and That

question 47

Multiple Choice

Natural selection requires that variation exists in a population and that the variation

• A) is generated by mechanisms other than mutation.
• B) is heritable.
• C) does not affect reproductive success.
• D) is consistent across environments.

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Definitions:

Amniocentesis

A medical procedure in which a small amount of amniotic fluid is sampled from the amniotic sac to test for fetal abnormalities.

Small Molecules

Low molecular weight organic compounds that can regulate biological processes, often used as pharmaceuticals.

Living Units

Spaces or environments designed for habitation or residence of living organisms, including humans, animals, or plants.

Cell Membrane

The cell membrane is a biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.