Evolution is the process by which modern organisms have descended from ancient ancestors. Evolution is responsible for both the similarities we see across all life and the amazing diversity of that life — but exactly how does it work?
Here are some of the major factors at play:
Natural selection includes variation, differential reproduction, and heredity
Descent and the genetic differences that are heritable and passed on to the next generation;
Mechanisms of change include mutation, migration (gene flow), genetic drift, and natural selection as
Genetic Variation
genetic drift The random nature of and the effects of a reduction in genetic variation
Coevolution how different species can affect each other’s evolution
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