Noun
a natural process resulting in the evolution of organisms best adapted to the environment
Source: WordNetI have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection. Charles Darwin
Natural Selection is not evolution. Ronald Fisher
Natural selection is a mechanism for generating an exceedingly high degree of improbability. Ronald Fisher
Design in nature is but a concatenation of accidents, culled by natural selection until the result is so beautiful or effective as to seem a miracle of purpose. Michael Pollan
Although much remains obscure, and will long remain obscure, ... I am convinced that Natural Selection has been the main but not exclusive means of modification. Charles Darwin
Although I insist that God has always had the power to intervene directly in nature to create new forms, I am willing to be per-suaded that He chose not to do so and instead employed secondary natural causes like random mutation and natural selection. Phillip E. Johnson