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Evolution

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Term
Definition
evolution   change over time  
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fossil   preserved remains of an ancient organism  
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fitness   ability of an individual to survive and reproduce in a specific environment  
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adaptation   inherited characteristic that increases an organism's chance of survival  
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natural selection   the process by which organisms with variations most suited to their environment survive and leave more offspring than others  
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homologous structures   body structures that are similar in different species of common ancestry  
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vestigial structures   body structures with little or no function  
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biogeography   study of past and present distribution of organisms  
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artificial selection   the process by which humans breed other animals and plants for particular traits.  
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anaglogous structures   body structures that share a common function but not structure  
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Created by: Mrs.Stichter
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