Time line

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Across
  1. 5. How long was the Paleogene
  2. 7. what was the climate like during the Eocene epoch
  3. 8. What was alive during the Miocene epoch
  4. 9. How long were the water scorpions during the ordovician
  5. 10. How long ago did the Cretaceous period start
  6. 11. What epoch had the warmest climate of the last 25 million years
  7. 14. What was the first period with fossils
  8. 15. What dominated the TTriassic period
  9. 17. What period was the Oligocene epoch during
  10. 18. What tree started appearing during the Paleocene
  11. 20. What was deposited during the Cretaceous period
  12. 21. What was one of the most common fish during the Mississipisn Period
  13. 22. What was the largest living creature during the Devonian Period
  14. 24. When was the Ordovician period defined
  15. 27. What was the main reason for the extinction during the Holocene
  16. 28. How much of the earth was covered in ice during the pleistocene
  17. 31. How were the sea levels during the Pleistocene
  18. 32. What formed during the Pliocene
  19. 34. What became more common during the Oligocene
  20. 36. How tall was the Terror bird during the Miocene epoch
  21. 37. What period had the first-ever bird
  22. 38. What was the average temp during the Permian period
  23. 40. what was the reason for the massive extinction during the Perian period
  24. 42. How long was each day during the Devonian period
  25. 43. How much of Earth's history is the Precambrian period
  26. 45. What percentage of the mega-fauna went extinct during the Quaternary Period
  27. 48. What kind of plants evolved during the Eo Epoch
  28. 51. What was the Holocene as known as
  29. 52. What is the most recent period in the Cenozoic Era
  30. 53. What did animals start to lay during the Pennsylvanian
  31. 55. What period had 2-4 billion dinosaurs roaming around
  32. 56. What was the average temperature during the Cambrian period
  33. 57. what else do they call the Devonian Period
  34. 58. How long did the Jurassic Period last
  35. 59. How long ago did the Triassic Period end
Down
  1. 1. How many years ago was the Holocene
  2. 2. How long was the Quaternary Period
  3. 3. What was drifting closer to Asia during the Paleogene
  4. 4. How long ago did the Paleozoic Era begin
  5. 6. What were one of the earliest animals
  6. 11. What started in the North America during the Eocene Epoch
  7. 12. What was the first geological period in the PPaleozoicera
  8. 13. What was developed during the Precambrian
  9. 16. What was the largest vertebrate during the Silurian Period
  10. 19. Why couldn't humans live during the Precambrian period
  11. 23. What did plants develop during the Mississipian period
  12. 25. what percent of species died during the Permian period
  13. 26. What was the climate like during the Mississipian Period
  14. 29. What lived in the Pliocene Epoch
  15. 30. What were the oceans realising during the Paleocene
  16. 33. What Period did 95% of life went extinct
  17. 35. The Pliocene was during what age
  18. 39. What started to bloom during the Cretaceous Period
  19. 41. What started to develop during the Paleogene
  20. 44. How many ages is the Oligocene epoch divided into
  21. 46. What was laid down over the beds of dead plants during the Pennsylvanian Period
  22. 47. What type of tree lived during the Pennsylvanian period
  23. 49. What was the biggest predator during the Silurian Period
  24. 50. Where is the best place to look for fossils from the Paleocene
  25. 54. What formed on all continents during the Pleistocene