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Diversity & Evol.
| Term | Definition |
|---|---|
| evolution | Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms. |
| variation | Any difference between individuals of the same species. |
| mutation | change in a DNA sequence that affects genetic information |
| natural selection | A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits. |
| artificial selection | selective breeding of plants and animals to promote the occurrence of desirable traits in offspring |
| adaptation | A characteristic that improves an individual's ability to survive and reproduce in a particular environment. |
| fossil | The preserved remains or traces of an organism that lived in the past |
| Charles Darwin | English natural scientist who formulated a theory of evolution by natural selection (1809-1882) |
| transitional fossils | Fossils that provide patterns of evolutionary change from the early ancestors to modern life forms. |
| extinction | A term that typically describes a species that no longer has any known living individuals. |
| common ancestry | when organisms are descended from a single ancestor |
| fossil record | information about past life, including the structure of organisms, what they ate, what ate them, in what environment they lived, and the order in which they lived |