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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 diapsids evolve.






2. First diapsids evolve.






3. Possible early land animals.






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






5. First graptolites.






6. First synapsids evolve.






7. First agnathan fish.






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






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






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






11. First jawless fishes.






12. First toothed fish and nautiloids.






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






14. 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






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






16. First agnathan fish.






17. First jawless fishes.






18. First crabs and ferns.






19. 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.






20. First graptolites.






21. First therapsids evolve.






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






23. First toothed fish and nautiloids.






24. First cephalopods and chitons.






25. First of many modern groups - including tetrapods.






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






27. The evolution of the first reptiles.






28. First of many modern groups - including tetrapods.






29. Possible early land animals.






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






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






32. The evolution of the first reptiles.






33. First cephalopods and chitons.






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






35. 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.






36. First synapsids evolve.






37. First large sharks - ratfish and hagfish.






38. First large sharks - ratfish and hagfish.






39. 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.






40. First crabs and ferns.






41. First therapsids evolve.






42. Fossilization of the Burgess Shale.






43. 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.






44. First amniotes evolve.






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






46. Fossilization of the Burgess Shale.






47. First amniotes evolve.






48. 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