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Unit 6 Vocab
Term | Definition |
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evolution | the process in which inherited characteristics within a population change over generations such that new species sometimes |
artificial selection | the human practice of breeding animals or plants that have desired traits |
natural selection | the process by which individuals that are better adapted to thier environment survive and reproduce more successfully than less well adapted |
variation | the occurrence of hereditary or nonheredity differences between different individuals of a population |
Mutation | a change in the nucleotide-base sequence of a gene or DNA molecule |
scale | the relationship between the measurments on a model, map, or diagram and the measurment on a model, map, or diagram and the actual measurements or distance |
geologic time scale | an ordered arrangement of rock layers that is based on the relative ages of the rocks and in which the oldest rocks |