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