Across
- 2. tall geologic structure formed at convergent boundary
- 4. scientific study of embryos
- 6. where plates meet and interact
- 11. fitting in better with environment
- 12. change of species over time
- 13. supercontinent of the past
- 15. bone history
- 20. blending in with environment
- 21. group of interbreeding organisms
- 22. a regional group of a species
- 23. body structures
- 26. underground pre-lava
- 28. scientific study of fossils
- 30. collision boundary with mountains
- 32. wave from earthquake
- 33. solid metal layer
- 34. oceanic plates moving apart
- 36. collision of continental and oceanic plates
- 38. alfred, discovered drift
- 39. cycle due to density differences
- 40. structure that no longer serves a purpose
- 42. movement of tectonic plates over time
- 44. deep area formed at subduction zone
Down
- 1. study of earth's features
- 3. law about rock layers
- 5. survive and reproduce
- 7. similar functions, different structures
- 8. type of rock created by sediment
- 9. circle of volcanoes around Pacific
- 10. boundary with ridges, rift valleys, seafloor spreading
- 14. outer layer with plates
- 16. similar structures
- 17. rocked created from intense pressure underground
- 18. ancient relative link
- 19. liquid metal layer
- 24. movement when adaptation impossible
- 25. semi-solid layer with convection currents
- 27. death when adaptation impossible
- 29. survival of the fittest
- 31. intense shaking of the ground
- 35. charles, discovered natural selection
- 37. boundary where plates slide past each other
- 41. the type of rock created from hardened lava
- 43. crack in crust at transform boundary