Across
- 2. part of the bird that changed from island to island
- 6. Greek God
- 8. change over time
- 10. demonstrated variation from island to island
- 13. adjective-meant to happen
- 14. small birds
- 16. animal that helped describe Lamarck's theory
- 17. displayed on the top of caduceus
- 19. study of religion
- 20. loud sound after something drops
Down
- 1. islands off the coast of Ecuador
- 3. Darwin British naturalist who developed evolution
- 4. beaks demonstrated this change with tunnels
- 5. idea supported by experimentation and hard facts
- 7. related to turtle
- 9. changes
- 11. dog's breed of Darwin's ship
- 12. shape of an image
- 15. symbol associated with healing
- 18. America continent in which he studied the coast