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. First graptolites.






2. First therapsids evolve.






3. First crabs and ferns.






4. The evolution of the first reptiles.






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






6. The evolution of the first reptiles.






7. First jawless fishes.






8. First graptolites.






9. First toothed fish and nautiloids.






10. First agnathan fish.






11. First of many modern groups - including tetrapods.






12. First amniotes evolve.






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






15. Fossilization of the Burgess Shale.






16. First diapsids evolve.






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






18. First agnathan fish.






19. Fossilization of the Burgess Shale.






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






21. First therapsids evolve.






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






23. First crabs and ferns.






24. First of many modern groups - including tetrapods.






25. First toothed fish and nautiloids.






26. Possible early land animals.






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






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. 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






30. First large sharks - ratfish and hagfish.






31. 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.






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






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






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






35. First synapsids evolve.






36. First amniotes evolve.






37. First cephalopods and chitons.






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. Possible early land animals.






40. First large sharks - ratfish and hagfish.






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






42. First diapsids evolve.






43. First synapsids evolve.






44. First cephalopods and chitons.






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






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






47. 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






48. First jawless fishes.