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Mollusk Quiz

Clam Functions

  1.  
    Acts as a tongue, moving food around inside the pre-oral cavity. Also makes the shell.
  2.  
    Circulate water inside body; extracts food from water; exchanges gases
  3.  
    Opening to the digestive tract; where ingestion occurs
  4.  
    Toward the back; umbo is located here
  5.  
    Outer portion of organism; secreted by the mantle; protects clam
  6.  
    Groove inside shell where siphons retract
  7.  
    Tiny hairlike cilia on the gills that move food to the mouth
Answer Key
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Mollusk Quiz (Answer Key)

Clam Functions

  1.  
    Acts as a tongue, moving food around inside the pre-oral cavity. Also makes the shell.
    Mantle
  2.  
    Circulate water inside body; extracts food from water; exchanges gases
    Gills
  3.  
    Opening to the digestive tract; where ingestion occurs
    Mouth
  4.  
    Toward the back; umbo is located here
    Dorsal
  5.  
    Outer portion of organism; secreted by the mantle; protects clam
    Shell/Valve
  6.  
    Groove inside shell where siphons retract
    Pallial Sinus
  7.  
    Tiny hairlike cilia on the gills that move food to the mouth
    Cilia

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