Across
- 2. The beginning of a species
- 3. The remains of an ancient life
- 7. The ship that Charles Darwin sailed on
- 8. Group of islands in the Pacific Ocean
- 12. The organic process of a species adapting to their environment to survive
- 16. The origin of all life
- 17. The end of a species
- 18. The classification for a group of plants or animals
- 19. A body structure that is no longer used
Down
- 1. The extinct reptiles that used to rule the earth
- 4. A change in species that occurs over many years
- 5. A helpful variation in a species
- 6. Charles Darwin's occupation
- 9. A change in DNA
- 10. Father of Evolution
- 11. A measurement of time
- 13. Someone you are a descendant of
- 14. The study of embryos
- 15. We both have a common ancestor; evolution
- 20. The study of family traits and how they are passed down