click below
click below
Normal Size Small Size show me how
Change in time
Science :D
| Term | Definition |
|---|---|
| Species | Species: Organisms that can interbreed and produce fertile offspring. |
| Evolution | Evolution: Change in species over generations. |
| Fossil | Fossil: Preserved remains or traces of ancient life. |
| Adaptation | Adaptation: Inherited trait aiding survival and reproduction. |
| Scientific theory | Scientific theory: Well-tested, comprehensive explanation for natural phenomena. |
| Natural selection | Natural selection: Survival and reproduction of better-adapted individuals |
| Competition | Competition: Organisms vying for the same limited resources. |
| Sexual selection | Sexual selection: Selection based on success in finding a mate. |
| Coevolution | Coevolution: Mutual evolution between two or more species. |
| Fossil record | Fossil record: Total collection of discovered fossils documenting life's history. |
| Embryo | Embryo: Early developmental stage of an organism |
| Homologous structures | Homologous structures: Similar body parts in different species suggesting shared ancestry. |
| Extinct | Extinct: Total disappearance of a species. |
| Vestigial organs | Vestigial organs: Non-functional remnants of structures from ancestors. |
| Molecular clock | Molecular clock: Using DNA mutations to estimate evolutionary time. |
| Relative dating | Relative dating: Estimating fossil age by comparing layer position. |
| Absolute dating | Absolute dating: Determining actual age using radiometric methods. |