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what is natural selection

Asked by Bhargav Deshpande 2nd March 2015, 6:08 PM
Answered by Expert

Hi Bhargav,

All populations respond to changes in their environment. Individuals will respond in different ways depending on their genes. Only those organisms who are fit for the changing environment have the right to survive. The organisms which are unfit are eliminated and ultimately die. The fit species reproduce. This is natural selection. The essential variations in the characteristics are passed on from one generation to the next. These variations make them fit to survive in the constantly changing environment.     

Answered by Expert 2nd March 2015, 6:24 PM
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