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Test your basic knowledge |
Paleozoic History Timeline
Start Test
Study First
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 large sharks - ratfish and hagfish.
400 Ma
530 Ma
350 Ma
315 Ma
2. Fossilization of the Burgess Shale.
400 Ma
275 Ma
350 Ma
505 Ma
3. First creature took a breath of air.First ray-finned fish and land scorpions.
525 Ma
360 Ma
350 Ma
420 Ma
4. First graptolites.
500 Ma
410 Ma
525 Ma
400 Ma
5. First agnathan fish.
485 Ma
525 Ma
251.4 Ma
440 Ma
6. First diapsids evolve.
305 Ma
280 Ma
275 Ma
330 Ma
7. First therapsids evolve.
280 Ma
530 Ma
275 Ma
435 Ma
8. 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
251.4 Ma
542 Ma
410 Ma
530 Ma
9. First amniotes evolve.
360 Ma
330 Ma
315 Ma
410 Ma
10. First of many modern groups - including tetrapods.
395 Ma
485 Ma
530 Ma
320 Ma
11. Beginning of the Carboniferous and the end of Devonian period. Amphibians diversify.
340 Ma
440 Ma
395 Ma
435 Ma
12. Beginning of the Silurian and the end of the Ordovician period.
435 Ma
350 Ma
251.4 Ma
510 Ma
13. First jawless fishes.
340 Ma
410 Ma
485 Ma
395 Ma
14. 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.
440 Ma
485 Ma
280 Ma
450 Ma
15. First graptolites.
525 Ma
420 Ma
420 Ma
315 Ma
16. 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.
360 Ma
330 Ma
420 Ma
251.4 Ma
17. Beginning of the Devonian and end of the Silurian period.First insects.
305 Ma
410 Ma
400 Ma
360 Ma
18. First toothed fish and nautiloids.
340 Ma
251.4 Ma
525 Ma
410 Ma
19. First crabs and ferns.
280 Ma
510 Ma
360 Ma
395 Ma
20. First jawless fishes.
360 Ma
450 Ma
485 Ma
542 Ma
21. Beginning of the Devonian and end of the Silurian period.First insects.
450 Ma
400 Ma
350 Ma
525 Ma
22. First synapsids evolve.
320 Ma
500 Ma
510 Ma
395 Ma
23. Possible early land animals.
440 Ma
251.4 Ma
530 Ma
485 Ma
24. First therapsids evolve.
400 Ma
400 Ma
500 Ma
275 Ma
25. First cephalopods and chitons.
510 Ma
280 Ma
251.4 Ma
395 Ma
26. Plants and arthropods colonize the land. Sharks evolve.
350 Ma
420 Ma
450 Ma
410 Ma
27. Beginning of the Silurian and the end of the Ordovician period.
435 Ma
315 Ma
530 Ma
420 Ma
28. First diapsids evolve.
305 Ma
530 Ma
280 Ma
410 Ma
29. First amniotes evolve.
500 Ma
450 Ma
395 Ma
330 Ma
30. Beginning of the Ordovician and the end of the Cambrian period.
280 Ma
542 Ma
505 Ma
500 Ma
31. The evolution of the first reptiles.
435 Ma
400 Ma
280 Ma
315 Ma
32. 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
542 Ma
360 Ma
500 Ma
525 Ma
33. Beginning of the Carboniferous and the end of Devonian period. Amphibians diversify.
542 Ma
525 Ma
340 Ma
275 Ma
34. 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.
330 Ma
280 Ma
360 Ma
420 Ma
35. First toothed fish and nautiloids.
500 Ma
360 Ma
395 Ma
410 Ma
36. First cephalopods and chitons.
525 Ma
510 Ma
350 Ma
330 Ma
37. First creature took a breath of air.First ray-finned fish and land scorpions.
485 Ma
315 Ma
420 Ma
280 Ma
38. First crabs and ferns.
450 Ma
330 Ma
400 Ma
360 Ma
39. First large sharks - ratfish and hagfish.
525 Ma
305 Ma
410 Ma
350 Ma
40. Possible early land animals.
400 Ma
530 Ma
410 Ma
542 Ma
41. First of many modern groups - including tetrapods.
530 Ma
315 Ma
340 Ma
395 Ma
42. The evolution of the first reptiles.
410 Ma
315 Ma
395 Ma
505 Ma
43. Fossilization of the Burgess Shale.
410 Ma
305 Ma
305 Ma
505 Ma
44. Plants and arthropods colonize the land. Sharks evolve.
450 Ma
400 Ma
395 Ma
410 Ma
45. First synapsids evolve.
320 Ma
510 Ma
510 Ma
330 Ma
46. 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.
280 Ma
251.4 Ma
542 Ma
435 Ma
47. Beginning of the Ordovician and the end of the Cambrian period.
420 Ma
435 Ma
500 Ma
320 Ma
48. First agnathan fish.
500 Ma
350 Ma
440 Ma
542 Ma