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Definition
| 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 characteristics that improves an organism's ability to survive and reproduce in a particular environment. |
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| Descent with Modifications |
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Definition
| process by which descendants of ancestral organisms spread into habitats and accumulate adaptations to diverse ways of living. |
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Definition
| process by which individuals with inherited characteristics well-suited to the environment leave more offspring then do other individuals. |
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Definition
| Preserved remains or markings left by organisms that lived in the past. |
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Definition
| Te chronological collection of life's remains in the rock's layers, recorded during the passage of time. |
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Definition
| A species that no longer exists. |
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Definition
| Similar structures in species sharing a common ancestor. |
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Definition
| Remnants of structures that may have had important functions in an ancestral species, but ave no clear function in some of the modern descendants. |
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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
| group of individuals of the same species living in a particular area at the same time. |
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Definition
| All of the alleles in all 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 withing a population |
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Term
| Hardy-Weinberg equilibrium |
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Definition
| Condition that occurs when the frequency of alleles in a particular gene pool remain 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 between populations. |
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Definition
| contribution that an individual makes to the gene pool of the next generation compared to the contribution of other individuals. |
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Term
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Definition
| medicine that kills or slows the gowth of bacteria. |
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