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"Natural selection" is the mechanism by which biological complexity and adaptation arises. It was first proposed by [[Charles Darwin]].
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. Natural selection has been known to occur in microbes (ie, antibiotic resistance) but cannot create new species. Natural selection is the means by which species develop and mutate; this can lead to incredibly complex organisms and is often mistaken for inteligent design.
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. Natural selection has been known to occur in microbes (ie, antibiotic resistance) but cannot create new species. Natural selection is the means by which species develop and mutate; this can lead to incredibly complex organisms and is often mistaken for inteligent design.