Biology 4429 Exam 3 2007

1-8 MATCH THE CRITTER PICTURE

  1. Balaenidae _____
  2. Bovidae ______
  3. Dugongidae _____
  4. Equidae ______
  5. Camelidae ______
  6. Macroscelididae _____
  7. Monodontidae ______
  8. Procaviidae _____

Multiple choice. Select the best answer (2 pts each)

  1. DNA evidence indicates elephant shrews are most closely related to
  2. Which of the following have the lowest metabolic rate
  3. Scent glands for social communication occur in
  4. Camels store their fat in humps on their backs because
  5. The Old World red deer is most closely related to New World
  6. These are permanent inhabitants of the Arctic tundra
  7. Blue whales are able to sustain their enormous bodies with food because:
  8. This family is native to the Neotropical and Palearctic zoogeographic regions.
  9. Rubbing of the tusks produces pleasurable feelings in
  10. Javelinas and feral pigs can coexist, because javelinas do better when it is __ and __
  11. A mammal that periodically sheds its horns is
  12. Extensive hunting caused the extinction of
  13. A multi-chambered foregut that ruminates is present in the
  14. Elephants are most closely related to
  15. Pachyostotic ribs are characteristic of this family
  16. The most primitive living giraffids and bovids are found in which environment
  17. What family of non-ruminating artiodactyls is characterized by upper canines directed downward
  18. The seeds of ground pumpkins in Africa are distributed by these animals who get water from their fleshy fruit

For any four of the following terms, define them, explain what is the function/significance, pick a family that was covered for this exam that is characterized by it, and diagnose the family. DO NOT REPEAT any information. (6 points each 24 points total)

  • Cursorial
  • Graviportal
  • Digitigrade
  • Saltatorial
  • Amphibious
  • Myrmecophage
  • Unguiligrade
  • Infrasound
  • ANSWER any three of the following . DO NOT REPEAT INFORMATION FROM A PREVIOUS ANSWER. (8 points each, 24 points total)

    1. The Japanese have just announced that they are going to "scientifically" harvest humpback whales. Give at least two reasons that this is a reasonable idea. Give three (rational, not emotional) reasons why this should not be allowed.
    2. Discuss the two main reasons hippopotami are considered the closest living relatives of the whales. What features do living representatives of the two share?
    3. Przewalski’s horse is a conservation success. The Sumatran rhino will likely go extinct in the next 50 years. What features make both of them susceptible to extinction? Why is one a likely success, the other a likely doomed?
    4. How do cursorial locomotion in a camel and a pronghorn differ? What features do they have in common? Which is more efficient?
    5. Compare feeding adaptations (e.g., form, function, prey size) of the two cetacean suborders Odontoceti and Mysticeti.
    6. Zebra, wildebeest, and Thompson’s gazelles can all be found on the Serengeti . Describe what these mammals are feeding on and what the physiological basis for their diet choices is.