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24 October, 02:29

4. What are the 4 principles of natural selection?

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  1. 24 October, 05:25
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    Variation, overproduction, adaptation, descent with modification.

    Explanation:

    Variations occur within members of a population. these variations arise by chance and from within the individual. Another observation is that the offspring by far outnumber (overproduction) the parental generation but only a few survive to adulthood and are able to reproduce. Individuals with advantageous variations are well adapted to the environment. The gradual accumulation of small variations from generation to generation over a long period of time leads to emergence of new species.
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