Avian Osteology and Integument Quiz
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Avian Osteology and Integument Quiz

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@FeatureRichGamelan

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Questions and Answers

What is the function of the pneumatic bones in birds?

  • To aid in the digestion of food
  • To store excess calcium for eggshell formation
  • To connect with the air sacs of the respiratory system (correct)
  • To provide structure and support to the bird's body

    • Which bones make up the greater roof of the nasal cavity in birds?

  • Malar bones
  • Lacrimals/prefrontals
  • Maxillae
  • Nasal bones (correct)

    • What is the primary function of medullary bones in birds?

  • To assist in the bird's respiratory system
  • To serve as an important source of calcium during egg laying (correct)
  • To aid in flight and mobility
  • To provide structural support for the wings

    • What is the purpose of the kinetic system in a bird's skull?

    <p>To allow primary axis movement while the jaw moves</p> Signup and view all the answers

    What role do contour feathers play in birds?

    <p>Facilitate insulation and waterproofing</p> Signup and view all the answers

    Where are the optic foramen located in a bird's skull?

    <p>At the caudal border of the interorbital septum</p> Signup and view all the answers

    What is the function of the wishbone in birds?

    <p>To support the shoulders during flight</p> Signup and view all the answers

    Which bone in the avian wing is the largest and extends the full length of the forearm?

    <p>Ulna</p> Signup and view all the answers

    How many phalanges does digit D11 in the avian wing have?

    <p>2</p> Signup and view all the answers

    Which bone in the avian face is the largest?

    <p>Dentary</p> Signup and view all the answers

    What is the function of the quadrate bone in birds?

    <p>Permits extreme opening of the mouth</p> Signup and view all the answers

    Which bone articulates with the head of the humerus in the avian shoulder girdle?

    <p>Coracoid</p> Signup and view all the answers

    What is the main function of the turbinate bones in birds?

    <p>Regulation of body temperature</p> Signup and view all the answers

    In which group of birds do holorhinal external nares occur?

    <p>Anseriform and galliforms</p> Signup and view all the answers

    What is absent in the cranial group of birds?

    <p>Interparietal bone</p> Signup and view all the answers

    What do premaxillae form in birds?

    <p>Upper portion of the beak</p> Signup and view all the answers

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