Across
- 1. natural selection
- 4. paleontology
- 5. hms beagle
- 6. analogous structure
- 8. phenotype
- 9. charles lyell
- 12. strata
- 13. convergent evolution
- 14. variation
- 15. finch
- 16. divergent evolution
- 17. fossil record
- 19. fitness
- 20. fitzroy
- 22. sexual dimorphism
- 26. evolution
- 27. artificial selection
- 28. adaption
- 29. embryology
- 32. homosapien
- 33. reproductive isolation
- 38. charles darwin
- 40. biotechnology
- 42. ecological niche
- 44. extinct
Down
- 2. transitional fossil
- 3. selective pressure
- 7. ascension
- 10. catastrophism
- 11. stabilizing selection
- 16. dna
- 18. asexual
- 21. thomas malthus
- 23. mary anning
- 24. gene flow
- 25. monoculture
- 30. bottleneck effect
- 31. polymorphism
- 34. chimpanzee
- 35. archaeopteryx
- 36. interbreeding
- 37. tree
- 39. Alfred Wallace
- 41. biogeography
- 43. gradualism