CD/Web Review Questions

Chapter 18, The Paleogene World

  1. Was the rate of sea spreading in Paleogene time greater or less than that during Cretaceous time? Hint

  2. During most of the Paleogene, did sea level stand higher or lower than it does today? Hint

  3. Although many species suffered extinction at the end of the Cretaceous Period, teleost fishes and bottom-dwelling mollusks thrived during Paleogene time. True or false? Hint

  4. Western North America did not change much during the Paleogene. True or false? Hint

  5. When did modern grasses begin to thrive? Hint

  6. How did climate change affect grasses? Hint

  7. What was the effect on terrestrial animals of the success of grasses? Hint

  8. What animals are Eutherians? Hint

  9. What is the only naturally occurring marsupial in the United States? Hint

  10. In what epoch did pines, cacti, and palms appear? Hint

  11. When and where did the first fossil evidence for Australian marsupials appear? Hint

  12. What were the two earliest horse genera? Hint

  13. How did Orohippus differ from Hyracotherium? Hint

  14. When did most species of Miohippus live? Hint

  15. What are hoofed animals with an even number of toes called? Hint

  16. What are perissodactyls? Hint

  17. Over what geographic range does evidence of the Laramide orogeny exist? Hint

  18. The Olympic Mountains consist of an ancient seafloor that has been wedged onto the North American continent. True or false? Hint

  19. Where was the Yellowstone hot spot 60 million years ago? Hint

  20. India did not begin to collide with Eurasia until the very end of Paleogene time. True or false? Hint

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