Artificial selection is one example, eyes another, of the well-documented and inescapable process of evolution--change in a population of species over time--by natural selection. These are some of the things that molecules do.
Writers
Carl Sagan
(inspired by "Cosmos: A Personal Voyage" written by)
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Ann Druyan
(inspired by "Cosmos: A Personal Voyage" written by)
(written by)
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Steven Soter
(inspired by "Cosmos: A Personal Voyage" written by)
(written by)