Chapter 15


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Chapter 15

  1. 1. Mader's Concepts in Biology, First Edition Copyright © The McGraw-Hill Companies, InC) Permission required for reproduction or display. Sylvia S. Mader Chapter 15
  2. 2. Question 1 <ul><li>Current research indicates that dinosaurs are closely related to which of the following animal groups? </li></ul><ul><li>A. mammals </li></ul><ul><li>B. birds </li></ul><ul><li>C. reptiles </li></ul><ul><li>D. amphibians </li></ul><ul><li>E. fish </li></ul>
  3. 3. Question 2 <ul><li>Most of what we know about extinct organisms is gained by examining: </li></ul><ul><li>A. DNA </li></ul><ul><li>B. proteins </li></ul><ul><li>C. DNA and proteins combined </li></ul><ul><li>D. RNA </li></ul><ul><li>E. fossils </li></ul>
  4. 4. Question 3 <ul><li>The broadest division on the geologic timescale is: </li></ul><ul><li>A. centuries </li></ul><ul><li>B. epochs </li></ul><ul><li>C. millennia </li></ul><ul><li>D. eras </li></ul><ul><li>E. periods </li></ul>
  5. 5. Question 4 <ul><li>If you were studying the shortest geologic timeframe, you would be studying which of the following? </li></ul><ul><li>A. strata </li></ul><ul><li>B. epochs </li></ul><ul><li>C. millennia </li></ul><ul><li>D. eras </li></ul><ul><li>E. periods </li></ul>
  6. 6. Question 5 <ul><li>Which of the following is not a period in the geologic timescale? </li></ul><ul><li>A. Mesozoic </li></ul><ul><li>B. Jurassic </li></ul><ul><li>C. Permian </li></ul><ul><li>D. Tertiary </li></ul><ul><li>E. Cambrian </li></ul>
  7. 7. Question 6 <ul><li>The total disappearance of a species or a higher group is referred to as extinction. </li></ul><ul><li>A. true </li></ul><ul><li>B. false </li></ul>
  8. 8. Question 7 <ul><li>If you were a biologist studying the geologic timescale where protists evolved and diversified and soft-bodied invertebrates made their first appearance, you would be studying the: </li></ul><ul><li>A. Carboniferous </li></ul><ul><li>B. Ordovician </li></ul><ul><li>C. Precambrian </li></ul><ul><li>D. Paleozoic </li></ul><ul><li>E. Cretaceous </li></ul>
  9. 9. Question 8 <ul><li>Fish appeared in the fossil record during the: </li></ul><ul><li>A. Devonian </li></ul><ul><li>B. Mesozoic </li></ul><ul><li>C. Jurassic </li></ul><ul><li>D. Ordovician </li></ul><ul><li>E. Tertiary </li></ul>
  10. 10. Question 9 <ul><li>You are a paleontologist studying the geologic timescale known as the Devonian. Based on your studies, you determine that this group made its first appearance onto land: </li></ul><ul><li>A. birds </li></ul><ul><li>B. mammals </li></ul><ul><li>C. reptiles </li></ul><ul><li>D. fish </li></ul><ul><li>E. amphibians </li></ul>
  11. 11. Question 10 <ul><li>The first retiles appeared in the fossil record during which geologic time? </li></ul><ul><li>A. Carboniferous </li></ul><ul><li>B. Ordovician </li></ul><ul><li>C. Precambrian </li></ul><ul><li>D. Paleozoic </li></ul><ul><li>E. Cretaceous </li></ul>
  12. 12. Question 11 <ul><li>During which span of geologic time did the dinosaurs appear and flourish? </li></ul><ul><li>A. the Tertiary </li></ul><ul><li>B. the Permian </li></ul><ul><li>C. the Mesozoic </li></ul><ul><li>D. the Carboniferous </li></ul><ul><li>E. the Cenozoic </li></ul>
  13. 13. Question 12 <ul><li>Dinosaurs are thought to have gone extinct during which of the following? </li></ul><ul><li>A. at the end of the Jurassic </li></ul><ul><li>B. at the end of the Cretaceous </li></ul><ul><li>C. at the end of the Carboniferous </li></ul><ul><li>D. at the end of the Tertiary </li></ul><ul><li>E. at the end of the Permian </li></ul>
  14. 14. Question 13 <ul><li>A paleontologist is studying strata of rock and discovers one of the first mammal fossils ever found. Based on this information, you would conclude that the rock stratum is from which of the following? </li></ul><ul><li>A. the Cenozoic </li></ul><ul><li>B. the Permian </li></ul><ul><li>C. the Devonian </li></ul><ul><li>D. the Mesozoic </li></ul><ul><li>E. the Cretaceous </li></ul>
  15. 15. Question 14 <ul><li>Which of the following epochs are we currently in? </li></ul><ul><li>A. the Pleistocene </li></ul><ul><li>B. the Miocene </li></ul><ul><li>C. the Eocene </li></ul><ul><li>D. the Pliocene </li></ul><ul><li>E. the Holocene </li></ul>
  16. 16. Question 15 <ul><li>If the geologic timescale was compressed into a 24-hour period, how long were unicellular organisms alone on the planet? </li></ul><ul><li>A. 2 hours </li></ul><ul><li>B. 5 hours </li></ul><ul><li>C. 10 hours </li></ul><ul><li>D. 12 hours </li></ul><ul><li>E. 15 hours </li></ul>
  17. 17. Question 16 <ul><li>If the geologic timescale was compressed into a 24-hour day, at what time did Homo sapiens make their appearance on our planet? </li></ul><ul><li>A. shortly before 5:00 pm </li></ul><ul><li>B. at 9:30 pm </li></ul><ul><li>C. less than a minute before 12:00 am </li></ul><ul><li>D. a few minutes after 8:00 pm </li></ul><ul><li>E. right after 11:00 pm </li></ul>
  18. 18. Question 17 <ul><li>If you were writing a paper on the person who first proposed that the continents moved, you would be writing a paper on which of the following scientists? </li></ul><ul><li>A. Wegener </li></ul><ul><li>B. Darwin </li></ul><ul><li>C. Wallace </li></ul><ul><li>D. Malthus </li></ul><ul><li>E. Alvarez </li></ul>
  19. 19. Question 18 <ul><li>The theory that explains the movement of the Earth’s crust is referred to as: </li></ul><ul><li>A. convergent movement </li></ul><ul><li>B. plate tectonics </li></ul><ul><li>C. divergent movement </li></ul><ul><li>D. the transformation theory </li></ul><ul><li>E. continental spreading </li></ul>
  20. 20. Question 19 <ul><li>During the Permian, the continents joined to form one supercontinent called: </li></ul><ul><li>A. Laurasia </li></ul><ul><li>B. Eurasia </li></ul><ul><li>C. Gondwana </li></ul><ul><li>D. Euafrica </li></ul><ul><li>E. Pangaea </li></ul>
  21. 21. Question 20 <ul><li>If you were studying the process when one plate sinks into the mantle and is destroyed, you would be studying: </li></ul><ul><li>A. an ocean ridge </li></ul><ul><li>B. a convective zone </li></ul><ul><li>C. a subduction zone </li></ul><ul><li>D. a continental ridge </li></ul><ul><li>E. a transform boundary </li></ul>
  22. 22. Answer Key – Chapter 15 <ul><li>B </li></ul><ul><li>E </li></ul><ul><li>D </li></ul><ul><li>B </li></ul><ul><li>A </li></ul><ul><li>A </li></ul><ul><li>C </li></ul><ul><li>D </li></ul><ul><li>E </li></ul><ul><li>A </li></ul><ul><li>C </li></ul><ul><li>B </li></ul><ul><li>D </li></ul><ul><li>E </li></ul><ul><li>D </li></ul><ul><li>C </li></ul><ul><li>A </li></ul><ul><li>B </li></ul><ul><li>E </li></ul><ul><li>C </li></ul>