Mammals Quiz

15 Questions | Total Attempts: 1149

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Mammals Quiz

A quiz on mammals in general.


Questions and Answers
  • 1. 
    The subclass Theria, distinguished by skull characteristics, has 3 what?
    • A. 

      Orders

    • B. 

      Classes

    • C. 

      Suborders

    • D. 

      Infraclasses

  • 2. 
    Infraclass Metatheria includes the
    • A. 

      Monotremes

    • B. 

      Marsupials

    • C. 

      Placental mammals

  • 3. 
    The order Carnivora includes
    • A. 

      Bats

    • B. 

      Wolves, foxes, bears, big cats

    • C. 

      Whales and dolphins

    • D. 

      Horses, rhinos, zebras, tapirs

    • E. 

      Pigs, hippos, camels, deer

  • 4. 
    The order Chiroptera includes
    • A. 

      Whales and dolphins

    • B. 

      Horses, rhinos, zebras, tapirs

    • C. 

      Pigs, hippos, camels, deer

    • D. 

      Bats

    • E. 

      Wolves, foxes, bears, big cats

  • 5. 
    The order Artiodactyla includes
    • A. 

      Bats

    • B. 

      Whales and dolphins

    • C. 

      Pigs, hippos, camels, deer

    • D. 

      Horses, rhinos, zebras, tapirs

    • E. 

      Apes and monkeys

  • 6. 
    All are characteristics of the infraclass Metatheria except
    • A. 

      Primitive placenta

    • B. 

      Young are very immature at birth

    • C. 

      Oviparous

    • D. 

      Young mature in a pouch

    • E. 

      Short gestation period

  • 7. 
    True or false. The skin of mammals includes epidermal and dermal layers.
    • A. 

      True

    • B. 

      False

  • 8. 
    Mammals are
    • A. 

      Ectothermic

    • B. 

      Endothermic

    • C. 

      Both of these

    • D. 

      Neither of these

  • 9. 
    A muscular structure that separates thoracic from abdominal cavities; contraction results in inhalation.
    • A. 

      Cerebral cortex

    • B. 

      Diaphragm

    • C. 

      Mammary glands

    • D. 

      Ossicles

    • E. 

      Placenta

  • 10. 
    Unlike reptiles, mammals have teeth that are
    • A. 

      Homodont

    • B. 

      Heterodont

  • 11. 
    • A. 

      True

    • B. 

      False

  • 12. 
    How many cervical(neck) vertebrae do mammals have?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      6

    • E. 

      7

  • 13. 
    A condition in which mammals retreat to burrows under the snow and become less active but are still relatively alert and easily aroused is called
    • A. 

      Hibernation

    • B. 

      Winter sleep

    • C. 

      Dormancy

    • D. 

      Burrowing

  • 14. 
    Horses, rabbits, and many rodents have an enlarged _______ that aids in cellulose digestion.
    • A. 

      Diaphragm

    • B. 

      Kidney

    • C. 

      Cecum

    • D. 

      Placenta

    • E. 

      Cerebral cortex

  • 15. 
    Heat producing mechanims are
    • A. 

      Shivering thermogenesis

    • B. 

      Metabolic activity

    • C. 

      Both of these

    • D. 

      Neither of these