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Mollusk Quiz

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