1. Middle to Recent Earth History Sci 4.3

2. Mesozoic era 248-65 mya Pangea breaks into Laurasia and Gondwanaland

3. Question 1

4. Drier climates Favored reptiles Big dinosaurs by Jurassic Some may’ve been warm- blooded

5. Apatosaurus Tyrannosaurus

8. Question 2

9. Some good mothers, some quite fast (40mph) Gallimimus Maiasuara Modern reptiles different from dinosaurs

10. Question 3

11. 1 st mammals in Triassic Period Warm-blooded, hair, produce milk for young Eomaia scansoria

12. Question 4

13. 1 st birds in Jurassic Evolved from small dinos Archaeopteryx fossil

14. Question 5

15. Gymnosperms Dominated most of Mesozoic yew pines palms

16. 1 st Angiosperms in Cretaceous Flowering plants Seeds with hard coverings Dominant plants today Southern magnolia

17. Question 6

18. End of Mesozoic 65 mya mass extinctions Huge meteor and/or volcanoes Gravity map

19. K-T boundary 65 mya Between Meso. And Ceno. eras High levels of iridium

20. Alternate theory

21. Question 7

22. Cenozoic era 65 mya to today Mountain ranges formed: Alps, Andes, Himalayas Himalayas

23. Alps in Europe African plate smashing into Eurasian plate Med. Sea African plate

24. Andes Longest mountain range in the world Nazca plateS.A. plate

25. Himalayas are highest in the world Indian plate smashing into Eurasian

27. Question 8

28. Mountains may have caused global cooling Earth has cooled for last 60 mil.

29. Question 9

30. Cenozoic dominated by mammals Many evolved into larger animals

31. Question 10

32. Some evolved to live in the sea

33. Question 11

34. Continents isolated species Marsupials dominate Australia

35. Lemurs only found in Madagascar

36. Question 12

37. Organize in order of appearance on earth Invertebrates Vertebrates (fish) Amphibians (and insects) Reptiles Mammals Amphibians (and insects) Vertebrates (fish) Mammals Reptiles Invertebrates Birds Flowering plants

38. Rockies Himalayas Andes Alps Appalachians