click below
click below
Normal Size Small Size show me how
Chapter 5 - Lesson 1
Science vocab for lesson 1
| Term | Definition |
|---|---|
| Evolution | The growth and change of an organism over time. |
| Gene | A sequence of DNA that codes for a particular trait. |
| Mutation | Changes in DNA. |
| Genetic Drift | A change that occurs by chance. |
| Natural Selection | When traits that improve an organisms chances for survival, Naturally. |
| Fitness | How healthy an organism is. |
| Adaption | When an organism changes and grows to fit an environment. |
| Artificial Selection | When an outside force changes something within an animal instead of nature. |
| Speciation | The process when new species are generated. |
| Extinction | When a species is killed off in mass. |