Test your basic knowledge |

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. 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.






2. 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






3. Fossilization of the Burgess Shale.






4. First graptolites.






5. First jawless fishes.






6. The evolution of the first reptiles.






7. Fossilization of the Burgess Shale.






8. First large sharks - ratfish and hagfish.






9. First of many modern groups - including tetrapods.






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






11. First therapsids evolve.






12. First toothed fish and nautiloids.






13. First crabs and ferns.






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






15. First crabs and ferns.






16. 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.






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






18. First synapsids evolve.






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






20. First cephalopods and chitons.






21. The evolution of the first reptiles.






22. First amniotes evolve.






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






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






25. First jawless fishes.






26. First toothed fish and nautiloids.






27. First amniotes evolve.






28. First diapsids evolve.






29. Possible early land animals.






30. 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.






31. First diapsids evolve.






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






33. First graptolites.






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






35. First cephalopods and chitons.






36. First therapsids evolve.






37. 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.






38. First agnathan fish.






39. First agnathan fish.






40. First synapsids evolve.






41. 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






42. First large sharks - ratfish and hagfish.






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






44. Possible early land animals.






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






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






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






48. First of many modern groups - including tetrapods.