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Evolution vs Natural Selection

When we think of the word "evolution," we often think of "survival of the fittest" or "natural selection." Evolution simply means change over time. And it can be applied to not only humans but the cosmos (where there is no survival of the fittest) and social trends.

MinutePhysics breaks-down the important differences between evolution and natural selection.

            Image credit: IvanWalsh.com/Flickr

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