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Line 1: − '''Natural selection''' is the mechanism by which [[allele]] frequency within a population changes over time due to [[genetic]] [[variation]] and selection pressures. Over long periods of time natural selection may lead to evolution under the [[Darwin-Wallace theory of evolution]]+ + + + +
Actually, I think JoshuaZ from Wikipedia had it about right
"Natural selection" is the mechanism by which biological complexity and adaptation arises. It was first proposed by [[Charles Darwin]].
Specifically, Darwin pointed out that organisms with favorable traits are more likely to survive and reproduce than those lacking those traits or possessing unfavorable traits. Over time this mechanism might allow those favorable traits which are inheritable to become more common.
Genetically, is the mechanism by which [[allele]] frequency within a population changes over time due to [[genetic]] [[variation]] and selection pressures. Over long periods of time natural selection may lead to evolution under the [[Darwin-Wallace theory of evolution]]
== Variation ==
== Variation ==