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B - Unit 7 Lesson 10
Evolution Versus Natural Selection
| Term | Definition |
|---|---|
| adaptation | any trait that can be passed on to subsequent generations that increases the organism's ability to survive in its environment and reproduce |
| evolution | change in the genetic makeup of a population over time |
| mechanism | a system or process that produces a given result |
| natural selection | the process that results in an organism having favorable adaptations to its environment, which are passed on through reproduction, thus changing the genetic makeup of future generations |
| population | many individuals of the same species that live in the same area |
| reproductive success | an individual's ability to survive and produce offspring that are viable, fertile, and successful |
| mutations | changes to the sequence of DNA |
| gene flow | the movement of alleles, or versions of genes, from one population to another |
| genetic drift | evolution caused by random events |
| selection | a process in evolution, like natural selection or artificial selection, in which only certain individuals reproduce and pass on their DNA to the next generation |
| selective mating | a process of selection in which individuals will only mate with certain individuals based on their characteristics |
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atrang
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