Across
- 4. Change in the code
- 5. Change one letter
- 6. Principles of Geology Author
- 8. Choosing your love interest
- 11. Father of Evolution
- 13. Same Ancestor, different function
- 16. random mutations
- 17. Wrote Principle of population
- 19. Game based on evolution
- 20. Remove one letter
Down
- 1. Same function, different ancestor
- 2. Weakest evidence of Evolution
- 3. Survival of the Fittest
- 7. Darwin's famous animal he studied
- 9. Different Structures
- 10. Mechanism that deals with Migration
- 12. Add one letter
- 14. Strongest evidence of evolution
- 15. Trait
- 18. Same Structures
- 21. change over a long period of time