Mammalogy Fall 2004 - Exam 2

Multiple Choice

  1. Which trait is unique to primates?
    1. Stereoscopic vision
    2. Convoluted neopallium
    3. Opposable digits
    4. All of the above
    5. None of the above
  2. The Megachiroptera are characterized by
    1. daily periods of torpor
    2. worldwide distribution
    3. reliance on vision for navigation and foraging
    4. all of the above
    5. none of the above
  3. A nose leaf is associated with
    1. Electroreception
    2. Heat reception
    3. Photoreception
    4. Sound/sonar reception
    5. Tactile reception
  4. Eimer’s Organ is associated with
  5. The only carnivorans in Madagascar belong to this family
  6. A prehensile tail is characteristic of many members of this family
  7. The order Xenarthra gets its name from having
  8. Folivores (leaf eaters) and termite feeders are both typically characterized by
  9. This family of  bats lives by the millions in places such as Carlsbad Caverns and Bracken Cave
  10. The biochemical evidence indicates chimpanzees are most closely related to
  1. Characterize and discuss any THREE of the following (5 points each, 15 points total)
    1. Parental behavior in tree shrews.
    2. Parental behavior in lions.
    3. Social behavior in hammerhead bats (Hypsognathus).
    4. Reproductive pattern in seals
    5. Importance of keystone species
  2. Define, characterize, and state the significance of any 4 of the following. Where appropriate state what taxon (_a) the term is associated with (as discussed in this class the material covered by the test). Use illustrations where appropriate (5 points each, 20 points total)
    1. Allen’s rule
    2. Brachiation
    3. Hibernation
    4. Keeled sternum
    5. Low aspect ratio
    6. Tooth comb
    7. Regional Heterothermy
  1. Why are non-human primates likely candidates for extinction? What strategies are being used to prevent this? (5 points)
  2. From the Order Carnivora, give four examples [from at least 3 different families] of species (name and diet, you can use common names, but give the proper family name) that have atypical diets (explain how it differs from the usual diet) for members of their family. (5 points)
  3. Discuss the ulna as a lever in a mole. Use illustrations and mathematical formulae to show how its proportions (distance in and out), force in, and velocity in affect force out and velocity out. (5 points)
  4. For bears, do the calculations to show how much fat would be required to raise the temperature of a 250 kg hibernating bear from 7 degrees Celsius to 37 degrees Celsius. Fat provides 9 cal/gram of energy. (5 extra credit points)
  5. Complete the information in the table below for any SIX of the following families given on the answer sheet below and that you have NOT characterized in a previous answer. Information should apply to the family, NOT the order. Five points each. 30 points total
    1. Order (½ pt); Zoogeographic Region(s). Note those if known only from a limited subregion, such as Madagascar (½ pt), Diagnostic Characters (2 pts), Adaptations/Behavior/life history (2 pts).
      1. Mustelidae
      2. Dasypodidae
      3. Daubentoniidae
      4. Tenrecidae
      5. Phyllostomatidae
      6. Tarsiidae
      7. Phocidae
      8. Soricidae
      9. Manidae