Darwin Short and memorably answer. Natural selection is the nonrandom survival and reproductive success of randomly varying organisms. Natural selection is the main driver of adaptive change leading to evolution. Read more: What_is_the_theory_of_natual_selection Added: The nonrandom survival and reproductive success of randomly varying organisms. All organisms are variations. More organisms are born than can possible survive on the resources available. Those organisms that vary in ways that aid their survival and reproduction, over other organisms whose variations do not aid them to do these things, are selected and their genes become well represented in the population while the disadvantageous genes become less well represented. Also the characteristics must be heritable Read more: Explain_the_Theory_of_Natural_Selection
which is not part of darwins theory of natural selction
Evolution by natural selection.
Natural selection
Natural Selection
Random processes are not part of the theory of evolution by natural selection.
Darwin's theory of evolution.
Evolution by natural selection.
theory of natural selection
The theory of evolution by means of natural selection.
Nice? The theory of evolution by natural selection is the best and best supported explanation for the fact of evolution we have, but it just is and a word such as " nice " would not always fit theory. Google Ichneumon wasp to see that natural selection is not always " nice. "
No. Not by a long shot.
Charles Darwin