click below
click below
Normal Size Small Size show me how
Evolution 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 Earthv |
| shared structure | : a body structure in two or more species that features the same parts (for example, the same bones) |
| species. | A group of organisms that are physically similar and can reproduce with each other to produce offspring |
| evolution | : the process by which species adapt to environmental changes over a very long time |
| common ancestor population | : an older population from which two or more newer species descended |
| descendant species | : a more recent species that evolved from an ancestor population |
| stability: | when something stays mostly the same over time |
| speciation | : the process by which one population evolves into two or more different species |
| related | : sharing a common ancestor population |
| body structure | :the physical arrangement and organization of a living thing's anatomical parts, organs, and systems |