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Transcript: The first biological systems capable of independent life on Earth were prokaryotes. Bacteria are familiar e... Read more
28 Jul 2011
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Extremophiles
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Transcript: We tend to think of the evolution of life in terms of a sequence from simple organisms to large and complex ... Read more
28 Jul 2011
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Transcript: A major step in the development of life is the transition from free floating organic molecules in water to c... Read more
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