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Cenozoic History Timeline

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Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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1. Insects diversify.First large horses.
10 Ma
2.7 Ma
5.4-6.3 Ma
52 Ma

2. Approximate age of Canis lupus. Middle Stone Age begins in Africa. Gigantopithecus evolves.
0.3 Ma
35 Ma
4.8 Ma
0.79 Ma

3. First creodonts.
63 Ma
1.5 Ma
5.5 Ma
30 Ma

4. Yellowstone caldera erupts
6 Ma
56 Ma
0.6 Ma
0.64 Ma

5. First members of the Hominini tribe.
28 Ma
36 Ma
6.5 Ma
0.79 Ma

6. Africa collides with Eurasia - closing the Tethys Sea. Divergence of cat and dog ancestors. Primates diversify. Brontotheres - tapirs - rhinos - and camels evolve.
50 Ma
49 Ma
6 Ma
2.6 Ma

7. First creodonts.
63 Ma
30 Ma
50 Ma
52 Ma

8. Australopithecines diversify.
33 Ma
6 Ma
1.5 Ma
18-12 Ma

9. First bats.
20 Ma
52 Ma
35 Ma
50 Ma

10. First mastodons - bovids - and kangaroos. Australian megafauna diversify.
2.6 Ma
20 Ma
0.3 Ma
15 Ma

11. Giraffes and giant anteaters evolve.
20 Ma
5 Ma
55 Ma
5 Ma

12. Appearance of the genus Australopithecus
0.6 Ma
4.5 Ma
15 Ma
56 Ma

13. End of Eocene - start of Oligocene epoch.
55 Ma
30 Ma
36 Ma
2.5 Ma

14. last reversal of the earth's magnetic field
0.7 Ma
2.5 Ma
4.5 Ma
50 Ma

15. Approximate age of Canis lupus. Middle Stone Age begins in Africa. Gigantopithecus evolves.
15 Ma
5 Ma
40 Ma
0.3 Ma

16. Homo antecessor evolves. Paranthropus dies out.
5.5 Ma
28 Ma
0.6 Ma
1.2 Ma

17. First deer.
60 Ma
25 Ma
6.5 Ma
0.2 Ma

18. start of the Pleistocene epoch - the Stone Age and the current Quaternary period; emergence of the genus Homo. Smilodon - the best known of the sabre-toothed cats - appears.
2.5 Ma
1.5 Ma
5.4-6.3 Ma
2.6 Ma

19. Pliocene epoch begins.First tree sloths and hippopotami.First large vultures. Nimravids go extinct.
28 Ma
5 Ma
2.6 Ma
25 Ma

20. Evolution of the first primates and miacids. Flightless birds diversify.
60 Ma
0.3 Ma
6 Ma
25 Ma

21. Appearance of the genus Ardipithecus
5.5 Ma
0.6 Ma
56 Ma
52 Ma

22. First thylacinid marsupials evolve.
33 Ma
10 Ma
6.5 Ma
26 Ma

23. Age of the Catarrhini parvorder; first canines evolve. Lepidopteran insects become recognizable. Gastornis goes extinct. Basilosaurus evolves.
10 Ma
0.5 Ma
40 Ma
30 Ma

24. Australopithecines go extinct.
33 Ma
2.7 Ma
2.7 Ma
1.7 Ma

25. Appearance of the genus Australopithecus
4.5 Ma
0.6 Ma
1.7 Ma
1.2 Ma

26. Brontotheres go extinct. Pigs evolve. South America separates from Antarctica - becoming an island continent.
63 Ma
0.7 Ma
3 Ma
30 Ma

27. Appearance of the genus Ardipithecus
55 Ma
36 Ma
50 Ma
5.5 Ma

28. Isthmus of Panama joins North and South America. Great AmericanInterchange.
1.2 Ma
26 Ma
6.5 Ma
3 Ma

29. The island of theIndian subcontinent collides with Asia - thrusting up the Himalayas and the Tibetan Plateau. Many modern bird groups appear.First whale ancestors.First rodents - lagomorphs - armadillos - sirenians - proboscideans - perissodactyls -
18-12 Ma
55 Ma
0.35 Ma
49 Ma

30. Cats evolve.
1.2 Ma
40 Ma
34 Ma
1.2 Ma

31. First deer.
28 Ma
5.5 Ma
25 Ma
0.79 Ma

32. First thylacinid marsupials evolve.
33 Ma
6 Ma
4.8 Ma
0.7 Ma

33. Neogene period and Miocene epoch begin
2.5 Ma
49 Ma
24 Ma
35 Ma

34. Cats evolve.
49 Ma
34 Ma
0.3 Ma
10 Ma

35. Neanderthals evolve.
2.7 Ma
0.35 Ma
40 Ma
60 Ma

36. Australopithecines diversify.
6 Ma
1.7 Ma
36 Ma
6.5 Ma

37. The mammoth appears.
4.5 Ma
33 Ma
49 Ma
4.8 Ma

38. Whales return to the water.
33 Ma
1.7 Ma
49 Ma
52 Ma

39. Estimated age of the Hominidae/Hylobatidae (great apes vs. gibbons) split.
1.5 Ma
0.3 Ma
5.4-6.3 Ma
18-12 Ma

40. Middle Paleolithic begins. Appearance of Homo sapiens in Africa
49 Ma
0.2 Ma
0.64 Ma
20 Ma

41. start of the Pleistocene epoch - the Stone Age and the current Quaternary period; emergence of the genus Homo. Smilodon - the best known of the sabre-toothed cats - appears.
2.5 Ma
4.5 Ma
0.3 Ma
0.64 Ma

42. Earliest demonstrable evidence of the controlled use of fire by Homo erectus
0.5 Ma
0.79 Ma
36 Ma
34 Ma

43. Earliest possible evidence of the controlled use of fire by Homo erectus
5 Ma
2.7 Ma
1.5 Ma
52 Ma

44. current ice age begins
0.2 Ma
2.7 Ma
2.6 Ma
0.79 Ma

45. Grasslands first appear. Glyptodonts - ground sloths - peccaries - dogs - eagles - and hawks evolve.
52 Ma
52 Ma
35 Ma
5 Ma

46. Paraceratherium evolves.
52 Ma
2.6 Ma
28 Ma
26 Ma

47. Neogene period and Miocene epoch begin
2.6 Ma
24 Ma
35 Ma
0.35 Ma

48. Emergence of the first true elephants.
55 Ma
26 Ma
0.35 Ma
1.7 Ma

49. First members of the Hominini tribe.
1.2 Ma
3 Ma
6.5 Ma
50 Ma

50. Evolution of the first primates and miacids. Flightless birds diversify.
60 Ma
1.2 Ma
2.7 Ma
15 Ma

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Cenozoic History Timeline

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