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How is natural selection different from artificial selection? |
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Definition
In artificial selection, humans select traits thought to be advantageous, whereas in natural selection, nature selects advantageous traits. |
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Term
What are the four main principles in the theory of natural selection? |
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Definition
Variation, adaptation, overpopulation, descent with modification. (Think- DOVA) |
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Term
What are some of the limiting factors on population? |
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Definition
Food, water, shelter, disease, predators |
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Term
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Definition
The measure of an organism's ability to survive and produce more offspring |
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Term
What allows species to survive in the ever-changing environments? |
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Definition
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Term
True or false. A change in environment can cause natural selection to select against a different trait than before. |
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Definition
True. Example- peppered moths |
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Term
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Definition
The ability of a trait to be passed down from one generation to the next. |
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Term
True or false. New alleles are made by natural selection. |
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Definition
FALSE. New alleles are made by genetic mutations. |
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