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| Generation-to-generation change in the proportion of different inherited genes in a population that accounts for all of the changes that have transformed life over an immense time |
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Definition
| Inherited characteristic that improves an organsims's ability to survive and reproduce in a particular environment |
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| Descent with Modification: |
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Definition
| Process by which descendants of ancestral organisms spread into various habitats and acumulate adaptions to diverse ways of life |
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Definition
| Process by which individuals with inherited characteristics well-suited to the environment leave more offspring than do other individuals |
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Definition
| Preserved remains or marking left by an organism that lived in the past |
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Definition
| Chronological collection of life's remains in sedimentary rock layers |
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Definition
| No longer exsisting as a living species on Earth |
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Definition
| Simliar structure found in more than one species that share a common ancestor |
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Definition
| Remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species |
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Definition
| Group of individuals of the same species living in a particular area at the same time |
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Definition
| Difference among members of a species |
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Definition
| Selective breeding of domesticated plants and animals to produce offspring with desired genetic traits |
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Definition
| All of the alleles in all of the individuals that make up a population |
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Definition
| Evolution on the smallest scale-a generation-to-generation change in the frequencies of alleles within a population |
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| Hardy-Weinberg Equilibrium: |
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Definition
| Condition that occurs when the frequency of alleles in a particular population remian constant over time |
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Definition
| Change in the gene pool of a population due to chance |
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Definition
| Exchange of genes within a population |
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Definition
| Contribution that an individual makes to the gene pool of the next generation compared to the contributions of other individuals |
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Definition
| Medicine that kills or slows the growth of bacteria |
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