How does over production work in natural selection?

Answer:
More organisms are born, over produced, than can be supported by the resources in the immediate environment. So, a struggle for existence ensues and those variations of organisms best fitted to survive and have reproductive success in this environment we be selected and their genes will be best represented in the populations gene pool.
First answer by Neodarwinian. Last edit by Neodarwinian. Contributor trust: 125 [recommend contributor recommended]. Question popularity: 1 [recommend question].

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