1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt WHAT ERA/EON? WHAT PERIOD? WHO CAME 1ST GEOLOGIC TIME Grab bag

2. THE EON WHERE LIFE 1 ST APPEARED.

3. ARCHAEAN EON

4. THIS ERA IS THE ONLY ONE WITHOUT MAMMALS

5. PALEOZOIC ERA

6. THIS ERA SEES THE FORMATION OF PANGAEA.

7. PALEOZOIC

8. NAME ALL OF THE ERAS ON THE GTS IN ORDER- OLDEST TO MOST MODERN

9. PALEOZOIC, MESOZOIC, CENOZOIC

10. THE NAME OF THE CURRENT EON

11. PHANEROZOIC

12. THE PERIOD WHERE LIFE DEVELOPS HARD PARTS

13. CAMBRIAN

14. THE PERIOD CALLED “THE AGE OF OIL”

15. CRETACEOUS

16. THE PERIOD WHEN MAMMALS FIRST APPEARED

17. TRIASSIC

18. THE PERIOD WHEN TRILOBITES LAST ROAMED THE OCEAN 

19. PERMIAN

20. THE PERIOD WHOSE TIME LENGTH WE DON’T KNOW

21. QUATERNARY

22. WHO CAME FIRST: REPTILES, FISH, AMPHIBIANS?

23. FISH

24. WHO CAME FIRST: DINOSAURS, HIMALAYAS LAND PLANTS

26. WHO CAME FIRST: ARCHAEOPTERYX, COAL AGE, LAURASIA

27. COAL AGE

28. WHO CAME FIRST: EDIACARAN FAUNA, TRILOBITES, VERTEBRATES

29. EDIACARAN FAUNA

30. WHO CAME FIRST: CAMBRIAN EXPLOSIAN, OZONE LAYER, INVERTEBRATES

31. OZONE LAYER

32. THE FIRST EON IN GEOLOGIC TIME

33. HADEAN EON

34. THE MIDDLE PERIOD OF THE MESOZOIC ERA

35. JURASSIC PERIOD

36. THE FIRST PERIOD OF THE PHANEROZOIC EON

37. CAMBRIAN PERIOD

38. THE PERIOD AFTER THE PERMIAN EXTINCTION

39. TRIASSIC PERIOD

40. THE 2 PERIODS FOLLOWING THE ORDOVICIAN PERIOD

41. SILURIAN AND DEVONIAN

42. HOW MANY DIGITS DO MOST TETRAPODS HAVE?

43. FIVE- DUE TO A COMMON ANCESTOR

44. ONE ADVANTAGE THAT REPTILES HAVE OVER AMPHIBIANS

45. SCALY SKIN TO HOLD IN WATER & EGGS WITH SHELLS

46. HOW LONG AGO DID HOMO SAPIENS FIRST APPEAR?

47. 140,000 YEARS AGO

48. THE ARRIVAL OF WHAT TYPE OF ORGANISM MARKS THE END OF THE TERTIARY PERIOD?

49. HOMINIDS- INCLUDING AUSTRALOPITHICUS AFRENSIS

50. WHAT ARE THE FIRST (MOST ANCIENT) FOSSILS FOUND ON EARTH?

51. STROMATOLITES- LARGE MATS OF CYANOBACTERIA