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