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Transcript
Theories of Evolution Darwinâs principle of natural selection âNatural selection is the gradual process by which nature selects the forms most fit to survive and reproduce in a given environment.â For natural selection to work on a given population, there must be variety within that population and competition for strategic resources. The concept of natural selection argues that organisms which have a better fit within their environmental niche will reproduce more frequently than those organisms that fit less well.
