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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 agnathan fish.






2. Possible early land animals.






3. First diapsids evolve.






4. First amniotes evolve.






5. First graptolites.






6. 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.






7. First of many modern groups - including tetrapods.






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. First agnathan fish.






10. First therapsids evolve.






11. First jawless fishes.






12. First synapsids evolve.






13. The evolution of the first reptiles.






14. Fossilization of the Burgess Shale.






15. First cephalopods and chitons.






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






17. First cephalopods and chitons.






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






19. First graptolites.






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






21. First jawless fishes.






22. 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.






23. First amniotes evolve.






24. First synapsids evolve.






25. First of many modern groups - including tetrapods.






26. First therapsids evolve.






27. Fossilization of the Burgess Shale.






28. First toothed fish and nautiloids.






29. First crabs and ferns.






30. Possible early land animals.






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






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 large sharks - ratfish and hagfish.






34. First diapsids evolve.






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






36. The evolution of the first reptiles.






37. First toothed fish and nautiloids.






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






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






40. First large sharks - ratfish and hagfish.






41. 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.






42. First crabs and ferns.






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






44. 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.






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






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






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






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