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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 crabs and ferns.






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






3. Fossilization of the Burgess Shale.






4. First therapsids evolve.






5. 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






6. First cephalopods and chitons.






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






8. First synapsids evolve.






9. The evolution of the first reptiles.






10. First jawless fishes.






11. 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.






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






13. The evolution of the first reptiles.






14. 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.






15. First graptolites.






16. First diapsids evolve.






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






18. Possible early land animals.






19. First therapsids evolve.






20. Fossilization of the Burgess Shale.






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






22. First agnathan fish.






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






24. First of many modern groups - including tetrapods.






25. First of many modern groups - including tetrapods.






26. First synapsids evolve.






27. First large sharks - ratfish and hagfish.






28. 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.






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






30. 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.






31. First crabs and ferns.






32. First large sharks - ratfish and hagfish.






33. First toothed fish and nautiloids.






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






35. First agnathan fish.






36. 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






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






38. First amniotes evolve.






39. First amniotes evolve.






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






41. First graptolites.






42. First diapsids evolve.






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






44. First toothed fish and nautiloids.






45. First cephalopods and chitons.






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






47. Possible early land animals.






48. First jawless fishes.