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https://evolution.berkeley.edu/evolibrary/article/evo_14
TYPO: AFTER NUMBER 12 IT SHOULD SAY CLICK NEXT.

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Fundamental to the process is genetic variation upon which selective forces can act in order for evolution to occur. This section examines the mechanisms of evolution focusing on:

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https://www.khanacademy.org/science/biology/her/evolution-and-natural-selection/a/darwin-evolution-natural-selection

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Darwin, evolution, & natural selection (article) | Khan Academy

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Charles Darwin’s voyage on the HMS Beagle and his ideas about evolution and natural selection.

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http://www.sciencenetlinks.com/interactives/evolution.html

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4 PLAY THIS SECOND GAME TO SIMULATE NATURAL SELECTION

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4 PLAY THIS SECOND GAME TO SIMULATE NATURAL SELECTION

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http://peppermoths.weebly.com/

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http://www.quia.com/rr/282925.html