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Biology Vocabulary Chapter 16

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Term
Definition
show Selective breeding of plants and animals to promote the occurrence of desirable traits in offspring.  
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show Hutton and Lyell concluded that Earth is extremely old and that the processed that changed the Earth in the past are the same processed that operate in the present.  
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show Lamarck suggested that organisms could change by selectively using or not using various parts of their bodies. He also suggested that individuals could pass these acquired traits on to their offspring, enabling species to change over time.  
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show Malthus reasoned that if the human population grew unchecked, there wouldn't be enough living space and food for everyone.  
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show In artificial selection, nature provides the variations, and humans select those they find useful.  
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show Heritable characteristic that increases an organism's ability to survive and reproduce in an environment.  
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Fitness   show
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Natural Selection   show
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Under what conditions does natural selection occur?   show
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show According to the principle of common descent, all species--living and extinct--are descended from ancient common ancestors.  
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