Fall 2005 - Exam 2

Multiple choice, select the best answer

  1. Which trait is unique to primates?
  2. Bats that forage at high velocity over great distances often have wings that are characterized as having
  3. Dermopterans are
  4. Members of the Families Bradypodidae and Megalonychidae are characterized by ALL of the following EXCEPT
  5. A keeled sternum is found in mammals that
  6. Which of the following occur almost entirely or exclusively on Madagascar?
  7. The video clip shown in lecture showed
  8. Cholepus, the two-toed sloth is most closely related to
  9. Members of the Order Pholidota, Family Manidae feed primarily on
  10. Pitfall studies have shown that members of this group are often the most abundant mammals in an area
  11. Megalonyx was named by
  12. Chrysochloridae are ecomorphs of
  13. According to Allen's rule
  14. Manidae are ecomorphs of
  15. All of the following are significant factors affecting gorilla populations EXCEPT
  16. A termite feeding mammal would be characterized by all of the following EXCEPT a/an
  17. In this family, mothers may leave their offspring unattended for 2 days
  18. Countercurrent exchange would most likely be found in a/an
  19. Lemurs are mainly active during this period__, lorises __
  20. When a keystone species is removed from an ecosystem
 
  1. 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)

Answer any three of the following (10 points each, 30 points total)

  1. Characterize and fully discuss why many temperate zone bats have delayed implantation.
  2. Compare and discuss the face and ears of a megachiropteran and a microchiropteran. Fully explain the reasons for these differences.
  3. What is post-partum estrous. What groups discussed for this exam are characterized by it. Why is necessary for these mammals to have it?
  4. Discuss diet, reproduction, behavior, and the the implications for recent changes in distribution of armadillos.
  5. Discuss how the front limb of a cheetah maximizes velocity out. Use illustrations and mathematical formulae to show how the proportions (distance in and out) and velocity in affect velocity out of the cheetah limb.

Define, characterize, and state the significance of any 2 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, 10 points total)

  1. Eimer’s organ
  2. Induced estrous
  3. Neurotoxic saliva
  4. Prehensile tail
  5. Vertical clinging and leaping
  6. Y-5 molar pattern

For ANY FOUR of the following mammalian families, give the 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). (20 points total)

  1. Callithricidae
  2. Cynocephalidae
  3. Hyaenidae
  4. Procyonidae
  5. Pteropodidae
  6. Tenrecidae
  7. Any family of your choice covered for this test not characterized in any of the above questions