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Evolutionary History
The study of species over million/billions of years.
| Question | Answer |
|---|---|
| Paleontologist | Paleontologist: A scientist who studies fossils in order to understand the ancient history of life on Earth |
| Species | 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 | Body structure: a part of an organism (for example, one or more bones) |
| Evolution | Evolution: The process by which species adapt to environmental changes over a very long time |
| Shared Structure | Shared Structure: a body structure in two or more species that features the same parts |
| Descendant species | Descendant species: a more recent species that evolved from an ancestor population |
| Common ancestor population | Common ancestor population: an older population from which two or more newer species descended |
| Stability | Stability: when something stays mostly the same over time |
| Speciation | Speciation: the process by which one population evolves into two or more different species |
| Related | Related: sharing a common ancestor population |