natural selection

 

Evolution Curriculum from BioGraph

Posted April 17, 2017 by turtle

Evolution is a change in genetic information in a population that is observed over many generations. Two important factors contribute to evolution: 

genetic drift - a process by which the genetic traits in a population change due to the random chance survival and reproduction of particular individuals; and

natural selection - a process by which individuals with certain genetic traits are more likely to survive and pass on those traits to their offspring, making those traits more common in the population.

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