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Science
| Question | Answer |
|---|---|
| Adaptation | A characteristic that improves an individual's ability to survive and reproduce in a particular environment. |
| Species | A group of organisms that are closely related and can mate to produce fertile offspring. |
| Evolution | The process in which inherited characteristics within a population change over generations such that new species sometimes arise. |
| Fossil | The remains or physical evidence of an organism preserved by geological processes. |
| Fossil Record | A historical sequence of life indicated by fossils found in layers of the earth's crust. |
| Trait | A genetically determined characteristic. |
| Selective Breeding | The human practice of breeding animals or plants that have certain desired characteristics. |
| Natural Selection | The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do; a theory to explain the mechanism of evolution. |