click below
click below
Normal Size Small Size show me how
Biology vocab
| Term | Definition |
|---|---|
| Evolution | Change in a kind of organism over the process by which modern organisms have descended from ancient organisms |
| Theory | Well- tested explanation that unifies a broad range of observations |
| Fossil | Preserved remains or evidence of an ancient organism |
| Natural selection | Process by which individuals that are better suited to their environment t and reproduce successfully; also called the survival of the fittest |
| Artificial selection | Selection by humans for breeding of useful traits from the natural variation among different organisms |
| Fitness | Ability of an organism to survive and reproduce in its environment |
| Adaptation | Inherited characteristics that increases an organisms chance of survival |
| Survival of the fittest | Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called natural selection |
| Homologous structure | Structured that have different mature forms in different organisms but develop from the same embryonic tissues |
| Common descent | Principle that all living things have a common ancestor |