Across
- 2. His first name
- 3. An expert in natural history.
- 6. De_elo_em_nt
- 8. What the origin of species is.
- 9. His last name.
- 11. S_rvi_al
- 13. The study of living organisms.
- 14. Traits that help animals survive.
- 15. The life that exists in the wild.
Down
- 1. Na_ur_
- 4. An idea.
- 5. An_ma_s
- 7. What happens to animals and people over time.
- 10. One of the schools Charles went to.
- 12. A type of book people write in.