Introduction. Definition of natural selection ; Relationship to genetic drift and evolution ; Restricted meanings of "natural selection" ; Modes of selection ; Summary -- Philosophical comments.
Natural selection is the process by which some organisms in a population survive and reproduce, while others do not, based on their bodies and behaviour. It is one of the processes by which species ...
IN a communication in NATURE of Aug. 10, Prof. E. W. MacBride, while admitting the reality of natural selection, denies that it applies to random variation. He dismisses ill-adapted types found in ...
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