| A | B |
|---|
| variation | differences between individuals |
| natural selection | When nature choses who will live and who will die |
| extinction | All members of a species dies |
| fossil | Remains of organisms the lived before |
| fossil record | the history of life by looking at the remains of living things |
| factor | a condition or event that brings about a result |
| diversity | variety |
| environment | The natural surroundings |
| speciation | A new species is formed over time |
| selection | To choose |
| survival | To live |
| mutation | A change in DNA |
| adaptation | A characteristic that improves an individual’s ability to survive and reproduce |
| species | Individuals that can mate and produce fertile offspring |
| evidence | Information showing whether an idea or belief is true or valid |
| evolution | change over time |
