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4. Molluscs - Coggle Diagram
4. Molluscs
General characterisitcs
Soft and not segmented body, three regions:
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Examples: squid, mussels, oysters, slugs and snails.
Gastropods 
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Most aquatic, but some terrestrial
Head
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Toothed tongue inside the mouth, used to break up food called radula.
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Bivalves
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Includes clams,mussels and cockles.
Cephalopods
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Include squid, octopuses and cuttlefish.
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