CD/Web Review Questions

Chapter 17, The Cretaceous World

  1. Did most of the seafloor spreading that occurred during Cretaceous time take place in the Early or Late Cretaceous? Hint

  2. Would the continents in existence at the end of the Cretaceous Period be familiar to us today? Hint

  3. In what order (innermost to outermost) were chalks, sands, and muds deposited in the Interior Seaway? Hint

  4. Which Interior Seaway deposits increased during a period of transgression? Hint

  5. Which corals thrived during Cretaceous time but became extinct at the end of the period? Hint

  6. During the Cretaceous Period, shallow seas covered much of which three continents? Hint

  7. Tectonically speaking, what was the Cretaceous Interior Seaway? Hint

  8. Other than at the equator, what kind of climate prevailed during Cretaceous time? Hint

  9. When did ceratopsian dinosaurs first appear? Hint

  10. What is the best known ceratopsian? Hint

  11. No great extinction or burst of diversity separated the Cretaceous from the Jurassic. True or false? Hint

  12. Fossils of some pterosaurs suggest that the animal was covered with a fine, furlike body covering. What does this characteristic suggest about pterosaurs? Hint

  13. What was the most important herbivorous dinosaur group during the Cretaceous? Hint

  14. Where did Tyrannosaurus fit in the food chain? Hint

  15. To which of the two major orders of dinosaurs did the duckbilled dinosaurs belong? Hint

  16. The thick chalk deposits dating from the latest Cretaceous (74-65 million years ago) in Limburg (the southernmost province of the Netherlands) are locally known as ________. Hint

  17. In southern Limburg, Cretaceous deposits rest directly on top of strata laid down in what geological period? Hint

  18. Why is the South Atlantic wider to the south than to the north? Hint

  19. Why does sea level tend to rise during times of rapid seafloor spreading, such as occurred during the Cretaceous? Hint

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