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Evolutionary History
The study of species over millions/billions of years
| Term | Definition |
|---|---|
| Paleontologist | A scientist who studies fossils in order to understand the ancient history of life on Earth |
| Species | A group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group |
| Body structure | A part of an organism (for example, one or more bones) |
| Shared structure | A body structure in two or more species that features the same parts (for example, the same bones) |