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Unformatted text preview: Key features o Mantle secrets the shell o Foot usually for movt o Radula feeding apparatus Highly Developed nervous system o Especially the octopus class o Octopus class has largest brain of any invertebrate 4 classes o Polyplacophora (many plates) Radula to eat algae Chitons o Gastropoda (stomach foot) Radula to eat algae and flesh Some have shells limpet, snail Some do not slug o 31/03/2008 09:29:00 31/03/2008 09:29:00...
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- Spring '08