BIOLOGY 4429, EXAM 3,  FALL 1996

  1. Define and state the significance of any 8 of the following. Where appropriate give examples. (5 points each)
    1. energy balance
    2. heterothermy
    3. hibernation
    4. metabolic water
    5. poikilothermy
    6. non-shivering thermogenesis
    7. preformed water
    8. thermal conductance
    9. thermal neutral zone
    10. water balance
  2. Answer 2A, B, and C
  3. A. Compare and contrast endothermy and homeothermy. (6 pts)
  4. B. What are the advantages of endothermy? (2 points)
  5. C. What are the disadvantages of endothermy? (2 points)
  6. What are the relationships between body size and shape and metabolic rate. Fully justify your answer with equations, graphs, examples, etc. (10 points)
  7. Fully diagram and label two counter current exchange systems present in mammals, one used for warming, the other for cooling. (10 points)
  8. List and briefly characterize (giving actual examples) 5 strategies not discussed in a previous answer employed by large mammals as adaptations to hot and/or dry environments. (15 points)
  9. List and briefly characterize (giving actual examples) 5 strategies not discussed in a previous answer employed by small mammals as adaptations to hot, dry environments. (15 points)