Fall 2006 - Exam 3

MATCH THE CRITTER PICTURE

  1. Eschrichtidae ____
  2. Giraffidae ______
  3. Orycteropodidae ______
  4. Platanistidae _____
  5. Procaviidae _____
  6. Tapiridae _____
  7. Tayassuidae _____
  8. Trichechidae _____

Multiple choice. Select the best answer (2 pts each)

  1. The Spermaceti organ is used in echolocation in the whale Family
  2. The odd-toed ungulates are the Order
  3. Horns with a permanent keratin sheath are in the Family
  4. Which family secretes its own sunscreen
  5. Long distance communication using infrasound
  6. Manatees and dugongs are most closely related to
  7. Two families with similar disjunct distributions
  8. The Irish Elk
  9. As a result of ivory poaching
  10. Cheek teeth are replaced from the rear, rather than from underneath occurs in
  11. Blue whales feed in regions of
  12. Echolocation enables whales to
  13. A mammal that periodically sheds its horns is
  14. A multi-chambered foregut that ruminates is present in the
  15. A single nasal opening occurs in
  16. As discussed in lecture, pacing refers to the
  17. A newly discovered possible function of the narwhal tusk

Discuss the conservation problems and solutions for any three of the following (5 points each, 15 points total)

  1. Przewalski�s horse
  2. Sumatran Rhinoceros
  3. North Atlantic right whale
  4. Atlantic manatee
  5. American bison
  6. African elephant

List the four most important modifications to increase stride length in cursorial mammals. (1 Point each, 4 points total)

What are the 4 most important features/characteristics that most endangered mammals share? (1 point each, 4 points total)

DO NOT REPEAT INFORMATION FROM A PREVIOUS ANSWER. For any TWO of the following: COMPARE (explain using several (at least 3) characteristics, behavior, distribution, physiology, natural history, etc. that show how they how they are similar other than both have mammalian characters) and CONTRAST (explain using several (at least 3) characteristics, examples, etc. showing how they are different, give the characteristics of both). (6 points each, 12 points total).

  1. Fin whale, Dugong
  2. Minke whale, grey whale
  3. Javelina, babyrousa
  4. Pronghorn antelope, White-tailed deer

 

Answer any three of the following. DO NOT repeat any information that was included in any previous question or answer or I will deduct points. (5 points each, 15 points total)

  1. Why don�t whales get the bends
  2. Blue whales communicate with each other when they are thousands of kilometers apart. Explain what makes this possible
  3. What are the main advantages of hindgut fermentation in large mammals such as horses?
  4. What enables Thompson�s gazelles to flourish in large numbers in Africa?
  5. What do aardvarks eat? What specializations do they have for this?