Chapter 20 Self Quiz: History of the Vertebrates

  1. The ancestors of vertebrates are
    1. birds (wrong)
    2. mammals (wrong)
    3. chordates (correct)
    4. amphibians (wrong)
    5. reptiles (wrong)
      Hint
  2. Terrestrial vertebrates evolved from
    1. rays (wrong)
    2. ray-finned fish (wrong)
    3. sharks (wrong)
    4. whales (wrong)
    5. lobe-finned fish (correct)
      Hint
  3. Vertebrate jaws evolved from cartilaginous arch supports for tissue between ________ in fish.
    1. eyes (wrong)
    2. ears (wrong)
    3. molars (wrong)
    4. lungs (wrong)
    5. gill slits (correct)
      Hint
  4. Marsupials are
    1. mammals (correct)
    2. birds (wrong)
    3. fish (wrong)
    4. amphibians (wrong)
    5. reptiles (wrong)
      Hint