click below
click below
Normal Size Small Size show me how
SS-Bio23 16
| Question | Answer |
|---|---|
| common descent with modification | The process by which species of living things undergo modification in successive generations, with such modification sometimes resulting in the formation of new, separate species. |
| natural selection | A process in which the differential adaptation of organisms to their environment selects those traits that will be passed on with greater frequency from one generation to the next. |
| radiometric dating | A technique for determining the age of objects by measuring the decay of the radioactive elements within them. The age of fossils can be determined with this technique. |
| homologous | In anatomy, having the same structure owing to inheritance from a common ancestor. Four limb structures in whales, bats, cats, and gorillas are homologous. |
| morphology | The physical form of an organism. |
| vestigial character | A structure in an organism whose original function has been lost during the course of evolution |