Unit 2 - Earth's Changes Over Time

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