Mammalogy Fall 201 - Exam 1 

MULTIPLE CHOICE, SELECT THE BEST ANSWER. 2 points each

  1. There are approximately ___ species of living mammals
  2. Which of the following terms describes traits present into two species that were inherited from a recent shared ancestor
  3. The phylogenetic species concept defines species as
  4. The wings of a bird and a bat are __ structures; the bones in the wings themselves are ___ structures.
  5. The Australian Zoogeographic region contains
  6. A taxonomic key arranges organisms into ____ groups
  7. The wings of a bird and a bat are __ structures; the bones in the wings themselves are ___ strucures.
  8. What information can be determined from using capture, mark, and release to study mammals?
  9. In the cladogram above, species C, D, and E form a __ group
  10. Which of the following is a unique (only found in) characteristic of modern mammals?
  11. Which were the first group of amniotes to radiate widely in terrestrial habitats?
  12. Jaw articulation between the _____ in the jaw and the ____________in the skull is a diagnostic feature of living mammals.
  13. Mammary glands are
  14. Lactation in mammals
  15. Multituberculates are notable because they
  16. What caused multituberculates to go extinct
  17. Which of the following groups has no temporal openings?
  18. Pelycosaurs and therapsids are examples of
  19. Which of the following breaks up the body pattern to hide a predator from its prey or vice versa?
  20. The skull illustrated above belongs to a
  21. The feature on the skull above that most clearly shows it is related to the ancestry of modern mammals is
  22. The correct term for the teeth shown above is
  23. Teeth with this cusp pattern are found in
  24. List from most inclusive (largest) to least inclusive the seven fundamental Linnean categories. (4 points)
  25. In the boxes in the map below,Label the six major biogeographic regions; Draw the boundaries defining the regions   (2 point; Which has the SECOND highest degree of endemism for mammals at the family level (2 points): Which two have the most number of families in common? (2 points)
  26. Fully explain (don’t just list) the main advantages and costs of endothermy in mammals. (5 points)
  27. Explain how the following structures are directly related to the development of endothermy. If you simply described the structure but did not tie it in to endothermy, then you only get 2 points. (4 points each 20 points total) a. muscular diaphragm b. sweat glandsc. Four-chambered heartd. Turbinal bones in the nasal region
  28. What are the main problems with using common names rather than scientific names to categorize mammals? (5 points)
  29. What can we observe in the jaw of newly born opossums that is similar to what we see in the evolution of mammals from cynodonts? (5 points)
  30. Other than insulation, fully explain (don’t just list) the four most important functions of hair in mammals. (5 points)
  31. EXTRA CREDIT: Since I did not ask the question you prepared the most for, this is your chance to ask and answer it. The question must be from material covered for this test. It should require as much information to answer correctly as do the questions in questions 27-30. DO NOT REPEAT information from a previous question that you have already answered. I will judge whether your question is interesting and how much of the maximum 5 points it is worth.