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Paleozoic History Timeline

Subjects : trivia, history
Instructions:
  • Answer 48 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. First cephalopods and chitons.






2. Plants and arthropods colonize the land. Sharks evolve.






3. Beginning of the Devonian and end of the Silurian period.First insects.






4. The evolution of the first reptiles.






5. First graptolites.






6. First amniotes evolve.






7. First large sharks - ratfish and hagfish.






8. Beginning of the Cambrian period - the Paleozoic Era and the Phanerozoic (current) Eon. End of the Ediacaran Period - the Proterozoic Eon and the Precambrian Supereon. Time since the Cambrian explosion the emergence of most forms of complex life - in






9. Beginning of the Ordovician and the end of the Cambrian period.






10. Beginning of the Silurian and the end of the Ordovician period.






11. Possible early land animals.






12. First toothed fish and nautiloids.






13. First amniotes evolve.






14. First graptolites.






15. Beginning of the Ordovician and the end of the Cambrian period.






16. First synapsids evolve.






17. First therapsids evolve.






18. First creature took a breath of air.First ray-finned fish and land scorpions.






19. First toothed fish and nautiloids.






20. First large sharks - ratfish and hagfish.






21. Permian mass extinction. End of Permian Period and of the Palaeozoic Era. Beginning of Triassic Period - the Mesozoic era and of the age of the dinosaurs.






22. First crabs and ferns.






23. First diapsids evolve.






24. Beginning of the Silurian and the end of the Ordovician period.






25. First agnathan fish.






26. First cephalopods and chitons.






27. Fossilization of the Burgess Shale.






28. Permian mass extinction. End of Permian Period and of the Palaeozoic Era. Beginning of Triassic Period - the Mesozoic era and of the age of the dinosaurs.






29. First therapsids evolve.






30. First creature took a breath of air.First ray-finned fish and land scorpions.






31. Fossilization of the Burgess Shale.






32. Beginning of the Carboniferous and the end of Devonian period. Amphibians diversify.






33. First synapsids evolve.






34. End of Carboniferous and beginning of Permian Period. By this time - all continents have fused into the supercontinent of Pangaea. Beetles evolve. Seed plants and conifers diversify along with temnospondyls and pelycosaurs.






35. The evolution of the first reptiles.






36. First jawless fishes.






37. First diapsids evolve.






38. End of Carboniferous and beginning of Permian Period. By this time - all continents have fused into the supercontinent of Pangaea. Beetles evolve. Seed plants and conifers diversify along with temnospondyls and pelycosaurs.






39. Plants and arthropods colonize the land. Sharks evolve.






40. First of many modern groups - including tetrapods.






41. First of many modern groups - including tetrapods.






42. First jawless fishes.






43. Beginning of the Carboniferous and the end of Devonian period. Amphibians diversify.






44. First crabs and ferns.






45. Possible early land animals.






46. Beginning of the Cambrian period - the Paleozoic Era and the Phanerozoic (current) Eon. End of the Ediacaran Period - the Proterozoic Eon and the Precambrian Supereon. Time since the Cambrian explosion the emergence of most forms of complex life - in






47. Beginning of the Devonian and end of the Silurian period.First insects.






48. First agnathan fish.