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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 amniotes evolve.






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






3. The evolution of the first reptiles.






4. First diapsids evolve.






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






6. First toothed fish and nautiloids.






7. First large sharks - ratfish and hagfish.






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






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






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






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






12. Fossilization of the Burgess Shale.






13. First crabs and ferns.






14. Possible early land animals.






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






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






18. First of many modern groups - including tetrapods.






19. First large sharks - ratfish and hagfish.






20. First graptolites.






21. 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






22. First toothed fish and nautiloids.






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






24. First jawless fishes.






25. First agnathan fish.






26. First amniotes evolve.






27. First cephalopods and chitons.






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






29. First of many modern groups - including tetrapods.






30. Possible early land animals.






31. First diapsids evolve.






32. Fossilization of the Burgess Shale.






33. First graptolites.






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






35. 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






36. First synapsids evolve.






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






38. First crabs and ferns.






39. First agnathan fish.






40. 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.






41. First jawless fishes.






42. First synapsids evolve.






43. First cephalopods and chitons.






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. The evolution of the first reptiles.






46. First therapsids evolve.






47. First therapsids evolve.






48. 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.