Geo Time

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Across
  1. 4. The first period of the Paleozoic Era.
  2. 7. An era known as the age of Fish.
  3. 8. Volcanic eruptions during the Mesozoic.
  4. 9. The supercontinent formed during the Mesozoic Era.
  5. 11. A period of glaciers.
  6. 15. Large shark that lived during the Cenozoic.
  7. 18. Mountain range formed during the
  8. 21. Example of an armored fish.
  9. 22. Mammals with pouches.
  10. 23. Large cat that lived during the Cenozoic.
Down
  1. 1. Unit of geologic time defined by appearance and disappearance of life forms.
  2. 2. Mountains created during the Cenozoic.
  3. 3. An era known as the age of Reptiles.
  4. 5. Mountain range formed during the Paleozoic Era.
  5. 6. Shortest unit of geologic time.
  6. 7. Name for armored fish.
  7. 10. Flowering plants.
  8. 12. Largest unit of geologic time.
  9. 13. Living Fossil.
  10. 14. An era known as the age of Mammals.
  11. 16. First bird.
  12. 17. Unit of geologic time defined by evolutionary developmentof animals.
  13. 19. Human ancestor that is most closely related to modern humans.
  14. 20. Name for amphibians.