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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. Fossilization of the Burgess Shale.






2. First synapsids evolve.






3. 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






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






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






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 Devonian and end of the Silurian period.First insects.






9. First of many modern groups - including tetrapods.






10. First crabs and ferns.






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






12. Fossilization of the Burgess Shale.






13. First graptolites.






14. First toothed fish and nautiloids.






15. 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.






16. First jawless fishes.






17. First large sharks - ratfish and hagfish.






18. First crabs and ferns.






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






20. 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






21. First amniotes evolve.






22. First graptolites.






23. Possible early land animals.






24. 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.






25. First large sharks - ratfish and hagfish.






26. First cephalopods and chitons.






27. First agnathan fish.






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






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






30. First agnathan fish.






31. First synapsids evolve.






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






33. First cephalopods and chitons.






34. First amniotes evolve.






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






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






37. First therapsids evolve.






38. The evolution of the first reptiles.






39. First toothed fish and nautiloids.






40. First jawless fishes.






41. Possible early land animals.






42. First therapsids evolve.






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 diapsids evolve.






46. First diapsids evolve.






47. The evolution of the first reptiles.






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