Across
- 3. To not favor or remove certain traits over time
- 8. When more offspring are born than can survive
- 10. Scientist who came up with the theory of evolution; called the “father of evolution”
- 12. When certain traits are passed on to offspring
- 13. A change in DNA that can create new traits
- 16. The name of the ship Darwin traveled on; also a type of dog (like Snoopy)
- 18. Breeding where humans choose which animals or plants reproduce, like different types of dogs, cats, or pigeons
Down
- 1. The remains or imprint of an organism that lived a long time ago
- 2. The process of organisms changing over time; explains how groups of organisms develop different traits
- 4. A trait that helps an organism survive or have babies
- 5. Differences between members of the same species
- 6. Birds on the Galapagos Islands that helped Darwin see how traits can change
- 7. To choose or favor certain traits to be passed on
- 9. When organisms fight for food, space, or other resources
- 11. A type of selection where organisms better suited to their environment survive and reproduce
- 14. A group of organisms that can have babies that can also have babies
- 15. Organisms best suited to their environment survive and reproduce the most. This is called survival of the _____________
- 17. Parts of DNA that carry information for traits