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Evolution Scientists

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Term
Definition
show Theory of Gradualism - Earth was shaped by geological forces occurring over very long periods of time (millions of years).  
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Charles Lyell   show
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show Helped with the idea od struggle for existence, hypothesized that eventually resources would run out in a growing population, causing competition Helped Darwin realize that not all individuals would not be supported and survive  
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show Helped with the idea that organisms adapt to environment, proposed that environment change leads to use of disuse of a structure, inheritance of acquired  
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show Independently from Darwin, he proposed the idea of evolution by natural selection. This gave Darwin incentive to publish his work  
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show Origin of Species, presented evidence and proposed a mechanism for evolution that he called natural selection, influenced by Mathus and concluded that if more individuals are produced than can survive, members of a population must compete  
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