Mammalogy Fall 2008 Exam 1
- On the pelycosaur skeleton above (8 points)
- Label the feature (A) that most indicates that this fossil is more
closely related to mammals than reptiles. (1 point)
- What is this feature? (1 point)
- Label a feature (C) that is more reptile-like than mammal-like. (1
- Why is feature C more reptile-like than mammal-like (2 points)
- Label another feature (E) that is more reptile-like than mammal-like. (1
- Why is feature E more reptile-like than mammal-like (2 points)
- List three [diagnostic] mammalian characters that are related to
endothermy (3 points)
- Briefly explain how each of these three is related to endothermy (6 points)
- List from most inclusive to least inclusive the seven fundamental Linnean
categories. (7 points)
- Answer ONE of the following (a, b, or c) 20 POINTS
- What are multituberculates? Why are multituberculates considered the
most successful group of mammals? Why are mutituberculates used as
example of both ecomorphy and competitive replacement?
- Discuss the Australian zoogeographic realm. What are the three most
most important land masses that comprise it? How does geology explain
the high degree of endemism seen in Australian mammals?
- Define, illustrate with a cladogram, and give example an example of a
monophyletic group. A paraphyletic group. A polyphyletic group.
- Match the name with the picture (2 points each)
- Didelphidae ____
- Ornithorhynchidae ______
- Dasyuridae ______
- Notoryctidae _____
- Vombatidae _____
MULTIPLE CHOICE, SELECT THE BEST ANSWER. 2 points each
- The white tailed deer is Odocoileus virginianus.
virginianus is the
- A mammal with a well-developed tapetum lucidum is
- Monotremes differ from most other living mammals in possessing (a)
- Which of the following helps a prey species warn predators to not try to
- Which of the following has the best-developed sense of electroreception
- The type of molars found in the earliest placental and marsupial mammals
- The kangaroo digestive system is most similar to that of a
- Which of the following morphological characteristics is related to a
Answer THREE of the following (10 points each, 30 points total)
- What is the difference between a classification and a taxonomic key? What
are some of the problems of using common names to name mammals?
- Describe two methods from start to finish for determining the home range
of a small mammal.
- What is the Biological Species definition? Why is it a useful definition?
What if any drawbacks does it have?
- Why do kangaroos have an advantage over ecomorphs such as deer during
times of severe drought?
- What is semelparous reproduction? Under what conditions is it
advantageous for a species to evolve semelparous reproduction?
- What is the trophoblast? What are its major functions? Why are these
functions essential for reproduction in eutherians?