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Post date: May 27, 2015 6:54:30 PM
Mutation is the key to evolution. It has caused life to evolve from a single-celled organism into every species on the planet.
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Post date: May 27, 2015 6:54:30 PM
Mutation is the key to evolution. It has caused life to evolve from a single-celled organism into every species on the planet.