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