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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 therapsids evolve.






2. First cephalopods and chitons.






3. First crabs and ferns.






4. First diapsids evolve.






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






6. First amniotes evolve.






7. 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.






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






9. First cephalopods and chitons.






10. 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.






11. 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.






12. Fossilization of the Burgess Shale.






13. 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.






14. The evolution of the first reptiles.






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






16. First therapsids evolve.






17. 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






18. Fossilization of the Burgess Shale.






19. First of many modern groups - including tetrapods.






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






21. The evolution of the first reptiles.






22. Possible early land animals.






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






24. First graptolites.






25. First large sharks - ratfish and hagfish.






26. First large sharks - ratfish and hagfish.






27. First jawless fishes.






28. First synapsids evolve.






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






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






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






32. 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






33. First toothed fish and nautiloids.






34. First diapsids evolve.






35. First crabs and ferns.






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






37. Possible early land animals.






38. First of many modern groups - including tetrapods.






39. First toothed fish and nautiloids.






40. First amniotes evolve.






41. First jawless fishes.






42. First graptolites.






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






44. First agnathan fish.






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






46. First synapsids evolve.






47. First agnathan fish.






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