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***Inverts 2
Phylum Mollusca: Class Gastropoda: Opisthobranchia
4
Biology
Undergraduate 4
10/29/2009
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Term
Life?
 Definition
almost all marine nermaphrodites; posterior gill
Term
Feed?
 Definition
many carnivores or parasites
Term
Movement?
 Definition
some can swim via parapodia
Term
Differ from Prosobrachs?
 Definition
shell(reduced,internalized,lost);operculum(reduced,lost);mantle cavity(reduced,lost);--ALL present in larval stages of opistobranchs--....limited torsion or detorsion; ctenidia(reduced, lost)(outgrowths or mantle as cerata(nudibranch)
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