click below
click below
Normal Size Small Size show me how
List 20
Evolution
| Term | Definition |
|---|---|
| Fitness | the ability of an organism to survive and reproduce in its specific environment |
| Struggle for existence | member of the same species compete for food, space, and other resources |
| Common descent/ancestor | each living species has descended , with changes, from other species over time |
| Variation | new traits generated by 1.mutations 2. gene shuffling (e.g. crossing over) |
| Naturals selection | Individuals better suited with adaptions to their environment will survive and reproduce most successfully. |
| Evolution | change in the inherited traits of an organism over time, change over time |
| Theory | a well-supported testable explanation of the natural world used to make inferences; a fact |
| Fossil | preserved ancient remains |
| Fecundity | Capacity of producing young in great numbers (especially in female animals) |