Across
- 3. A change in DNA; creates new traits
- 6. Movement of individuals between populations (gene flow).
- 7. Best adapted survive and reproduce more.
- 8. Leftover parts with no current function
- 10. Some reproduce more than others based on traits.
- 11. Blending in with the environment.
- 13. Famous scientist who explained evolution using natural selection
- 15. A helpful physical body part
- 16. Changes in living things over generations
- 18. A trait that helps survival or reproduction
Down
- 1. Similar structures from a common ancestor
- 2. Success at surviving and having offspring
- 4. Random changes in traits, especially in small groups.
- 5. A helpful internal body function.
- 9. Humans choose traits for breeding
- 12. Different structures, same function
- 14. Looking like another organism or object.
- 17. Scientist with an early idea about evolution where traits acquired during life were passed on
