Mammalogy Fall 2000 - Exam 1 name ID#

Muultiple Choice

  1. Vombatidae are
  2. Notoryctidae are
  3. Phalangeroids are
  4. Tarsipedidae are
  5. Phascolarctidae are
    1. Nectar feeders that pollinate flowers
    2. Medium-sized arboreal folivores
    3. Woodchuck-like mammals that live in burrows
    4. The ecological-equivalent of moles
    5. Includes members who are similar to flying squirrels and others who resemble lorises
  6. Texas is part of this zoogeographic region
  7. Multituberculates may have become extinct as a result of competition with
  8. A bifurcated penis occurs in which of the following families
  9. Cynodonts are
  10. Multituberculates are
  11. Pelycosaurs are
    1. Primitive synapsids with sail-like fins
    2. The only herbivorous Mesozoic mammals
    3. The first mammals with tribosphenic teeth
    4. Early therapsids with many reptilian characteristics
    5. the most diverse group of Mesozoic mammals
    6. Advanced therapsids that are directly ancestral to mammals
  12. Paired bones of the metatherian pelvis are called the
  13. The reptilian jaw joint is (Lower jaw bone\Upper jaw bone)
  14. The mammalian homolog of the reptilian quadrate is the
  15. The mammalian homolog of the reptilian angular is the
  16. A group that a contains the common ancestor and All the descendants of a common ancestor form which kind of group?
  17. Characters that can be used to determine that taxa belong in closely related groups (i.e., are sister taxa) are termed
  18. A chorio-allantoic placenta with villi is characteristic of
  19. The early Mesozoic (late Triassic) was the time of first appearance of
  20. Primitive marsupials such as opossums have  ___ premolars and ____ molars
  21. The hair and skin of mammals are lubricated by ____ glands
  22. ALL of the following are characteristic of the Monotremata EXCEPT
  23. Pelycosaurs are considered to be more closely related to mammals than reptiles, because they share this characteristic with them
  24. A venom gland occurs on the hind foot of members of this family
  25. The taxonomic rank between class and family is

26-29. Compare (i.e., tell how they are similar) and contrast (i.e., tell how they are different) any four of the following families. Include classification (e.g., subclass, order, family, as appropriate), zoogeographic distribution, adaptations, etc. (5 points each - 20 points total)

  1. Tenrecidae, Solenodontidae
  2. Didelphidae, Dasyuridae
  3. Caenolestidae, Soricidae
  4. Tachyglossidae, Erinaceidae
  5. Thylacynidae, Myrmeobiidae
  6. Talpidae, Chrysochloridae

30-33. Define and state the significance to mammalogy as discussed in lecture of any 4 of the following. Where appropriate state what taxon (-a) the term is associated with. (5 points each - 20 points total)

  1. Caravanning
  2. Diaphysis/epiphysis
  3. Diprotodontia
  4. Eimerís organs
  5. Electroreceptors
  6. Scrotum

34-35. Discuss the transformation of any two of the following in the evolution from pelycosaur to therapsid to primitive mammal to advanced mammal. Include a brief discussion of the function(s) of each and the reasons for the transformation. (5 points each - 10 points total)

  1. Tooth replacement
  2. Secondary palate
  3. Circulatory system
  4. Kinds and shape of teeth