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Mollusca

BIOL2204 Mollusca

QuestionAnswer
C. Polyplacophora Chitons -> 8 shell plates, broad creeping food, strong and rasping radula
C. Gastropoda Snails, abalone -> single, coiled shell, large food, present radula
C. Bivalvia Mussels, clams -> 2 valves, 2 shells, burrowing foot, no radula, suspension feeders
C. Scaphopoda Tusk shells -> single, cylindrical, conical burrowing foot, crushing radula
C. Cephalopoda Cuttlefish, octopus, ram's horn squid -> single, coiled, external/internal/absent, large head beak and radula
Mussel gill function surface of gills is coated with a sticky mucus, food particles get stuck. Cilia move mucas strings to labial palps where they are then sorted to mouth or unsuitable ones are rejected as pseudofaeces
LARVAE!!!!!!! Good job!
Created by: mishm
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