The External Frog

  1. What does "posterior" mean?
  2.  

  3. What is the ratio of the length of the leg to the length of the foot?
  4.  

  5. What does "anterior" mean?
  6.  

  7. Compare the length and structure of the fore leg with the length and structure of the hind leg.
  8.  

  9. What skeletal feature that is present in birds and mammals is lacking in the frog?
  10.  

  11. What is the tympanic membrane?
  12.  

  13. What is the nictitating membrane?
  14.  

  15. How is the structure of the eyes and tympanic membrane related to their function?
  16.  

  17. What does "dorsal" mean?
  18.  

  19. What does "ventral" mean?
  20.  

  21. What is the relation between the frog’s coloration and the frog’s natural environment?
  22.  

  23. What is the job of the frog’s tongue?
  24.  

  25. Where are maxillary teeth found?
  26.  

  27. What is the advantage of having the vomerine teeth slant the direction that they do?
  28.  

  29. What is the function of the eustachian tube?
  30.  

  31. Where is the frog’s tongue attached?
  32.  

  33. What is the advantage of this attachment?
  34.  

  35. What is the gullet?
  36.  

    The Internal Frog

  37. What is the cloaca? Where is it found?
  38.  

  39. What is the pericardium?
  40.  

  41. What is the difference between the thickness of the walls in the atria and the ventricle?
  42.  

  43. What is the reason for this difference?

 

  • 23.What is the function of bile?
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  • 24.What is the mesentery?
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  • 25.Describe what the fat bodies look like.
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  • 26.What is the thorax?
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    Labeling the Frog

     

  • Print out the diagram worksheets and label each part.
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