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