Across
- 3. What type of scientist Darwin was
- 4. bones dug up that were found many years later
- 8. Animals with better traits surviving
- 10. How organisms change over time
- 11. the guy who was a naturalists
Down
- 1. What Darwin observed to make his theory
- 2. Changes within species
- 5. living things
- 6. Where the birds landed
- 7. ____of evolution
- 9. What changes organism make