Mammalogy Fall 2011 - Exam 3

Mammalogy _________________
Fall 2011 - Exam 3 name

Mammalogy _________________
Fall 2011 - Exam 3 name

1. The animal shown below
a. Belongs to a family with a disjunct distribution
b. Is a Perissodactyl
c. Is an example of the success of captive breeding programs
d. Both a and b
e. Both a and c
f. Both b and c
g. All three: a, b, and c


2. The animal shown below
a. Is a Nearctic endemic
b. Sheds its horns once a year
c. Is one of the most cursorial artiodactyls
d. Both a and b
e. Both a and c
f. Both b and c
g. All three: a, b, and c


3. Japan has side stepped the international whaling commission moratorium on commercial whaling by
a. insisting that subsistence hunting of a small number of whales for food and survival is essential
b. promoting the survival of indigenous populations, such as the Inuit
c. stating that the CITIES treaty is sufficient to protect whale species
d. only harvesting whales which are threatened, and not those which are endangered
e. calling its annual minke whale harvest “scientific whaling”

4. The animal shown below belongs to the Family
a. Tayassuidae
b. Tragulidae
c. Suidae
d. Hippopotamidae
e. Ziphidae


5. The SPECIES in the above question can be found in which zoogeographic region
a. Australian
b. Nearctic
c. Neotropical
d. Palearctic
e. Oriental

6. This whale is found in the open ocean and it usually has just one tooth per side on the lower jaw. It belongs to the Family
a. Balaenidae
b. Balaenopteridae
c. Delphinidae
d. Physeteridae
e. Ziphiidae

7. Pitfall traps are the preferred method for capturing
a. Moles
b. Shrews
c. Bats
d. River dolphins

8. Which of the following is most correct with respect to the order Chiroptera:
a. Can be divided into 4 major groups based on body size and wing span
b. Includes species with an unexpectedly long life span for their size
c. Eholocation is more efficient for fruit-eating bats because fruit does not move like insects do
d. Are not native to either the Ethiopian or the Oriental biogeographic regions.

9. Countercurrent exchange of blood would most likely be found in the
a. Tongue of a grey whale
b. Feet of an Arctic wolf
c. Wing membrane of a hibernating bat
d. Both a and b
e. Both a and c
f. Both b and c
g. All three: a, b, and c 10. The thing pictured below belongs in the family
a. Suidae
b. Mustelidae
c. Tayassuidae
d. Whatthefidae

11. The figure below shows an example of grazing facilitation
a. What is grazing facilitation? (2 points)

b. Zebras are hind gut fermentors. Explain what hindgut fermentation is. (2 points)

c. What is the main advantage of hindgut fermentation? (2 points)

d. What is the main disadvantage of hindgut fermentation? (2 points)

e. How does being a hindgut fermentor explain the timing of zebra herds relative to the wildebeest an gazelles in the Serengetti? (2 points)

12. List and briefly discuss the reasons why for the three most important natural (intrinsic) factors (i.e., related to the species biology and/or natural history, NOT factors caused by humans, such as deforestation) that make a species more likely to become extinct (2 points each, six points total)
a.

b.

c.
13. FOR ANY FOUR of the animals pictured: Identify each animal to order and family (use common names for half credit), (1/2 point each) and Give the distribution, ecology, and other important aspects (3 points). 4 points each; 16 points maximum.
Pictures of a shrew, bat, camel, okapi, and carribou

14. In class, if you were present, you saw a video of this mammal
a. What is it? (2 points)
b. To what family does it belong? (2 points)
c. What is the distribution of the Family? (2 points)
d. What did you learn from the video? (2 points)


15.Some members of this family (from the video) have delayed implantation.
    a. What is delayed implantation? (3 points)
    b. What is the advantage of having delayed implantation? (3 points)


16. Answer ONE of the following (6 points)
a. Whales can use infrasound and/or ultrasound. Give specific examples of particular whales for each, explain how each is produced used, and for what purposes (not porpoises).
b. What is upwelling and why is it important to baleen whales?
c. What are the two most important differences between primitive fossil whales such as Pakicetus and Ambulocetus and modern whales? What is the most important evidence that they are whales? Artiodactyls?

17. Below is a picture of a member of one of the three families of pinnipeds.
a. To what family does it belong? (2 points)
b. How is this family distinguished from other families of pinnipeds. (3 points)
c. Postpartum estrus is a mode of reproduction that occurs in this family. What is it and why is it advantageous (3 points)


18. Below are pictures illustrating two extremes in the shape of bat wings.
a. Give an example of a bat family in which most species have type A wings. (2 points)
b. For what purpose and why do most species in this family have type A wings? (3 points)
c. Give an example of a bat family in which most species have type F wings. (2 points)
d. For what purpose and why do most species in this family have type F wings? (3 points)


For any FOUR of the Orders Insectivora, Chiroptera, Carnivora, Perissodactyla, and Artiodactyla. Pick a family that has not been discussed in any of the above questions, and for each family a genus or species that has not been discussed in any of the above questions. For each species, discuss features of interest such as reproduction, conservation, diet, etc (5 points each, 20 points total).

19. Order _________________, Family ______________, Genus/species ________________