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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. 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.






2. Fossilization of the Burgess Shale.






3. Fossilization of the Burgess Shale.






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






5. 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.






6. First agnathan fish.






7. 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






8. First graptolites.






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. 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






12. First toothed fish and nautiloids.






13. First large sharks - ratfish and hagfish.






14. First synapsids evolve.






15. First therapsids evolve.






16. First amniotes evolve.






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






18. First toothed fish and nautiloids.






19. First large sharks - ratfish and hagfish.






20. 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.






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






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






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






24. First graptolites.






25. First cephalopods and chitons.






26. First amniotes evolve.






27. First synapsids evolve.






28. First jawless fishes.






29. First agnathan fish.






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






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






32. First diapsids evolve.






33. First of many modern groups - including tetrapods.






34. First crabs and ferns.






35. First crabs and ferns.






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






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






38. First diapsids evolve.






39. Possible early land animals.






40. The evolution of the first reptiles.






41. The evolution of the first reptiles.






42. First cephalopods and chitons.






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






44. 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.






45. Possible early land animals.






46. First jawless fishes.






47. First therapsids evolve.






48. First of many modern groups - including tetrapods.