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More InformationJames Hutton proposed the idea that the Earth can slowly and gradually change over time geologically.
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Malthus' IdeasMalthus' ideas on human population growth helped to give further cause of natural selection.
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Bill Nye Discuss Charles LyellLyell suggested, with evidence, that the Earth is millions of years old instead of thousands.
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Crab Arm Use and Disuse ExampleLamarckism arose with the idea that a the use or non-use of a body part would dictate what would be passed on to the next generation. The "Use it or Lose it" concept. This was, of course, proven to be wrong.
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Herditiy VideoMendel's work on heredity helped to solidify that something is being passed from generation to generation.
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Charles Darwin VindicatedAlfred Wallace comes to the conclusion of evolution, yet requires more evidence. Many people believed that Darwin stole his ideas from Wallace. That was later proven to be untrue.
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How Darwin Came to His Thinking of EvolutionDarwin publishes his book On the Origin of Species where he outlines the driving force of evolution, known as natural selection.
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Bill Nye Discusses Watson and CrickJames Watson and Francis Crick discover the biological mechanism of DNA and conclude that it contains the information being passed on from generation to generation.
