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Mollusk

QuestionAnswer
Mantle Cavity houses ctenidia; waste empties into mantle; vascularized filamentous projections
Visceral mass internal organs, coelem
Mantle secretes a shell
Nacreous inner most part of mantle
Prismatic two layers of calcium carbonate
Pariostracum protein outer layer protects inner layers
Foot muscular structure used for locomotion and prey capture
Class Polyplacophora Phylum Molluska; chitons, poor cephalization have strong foot, radula is hard used to scrape and grind algae off of rocks and other surfaces
Class Bivalvia Phylum Molluska; clams scallops and oysters,
Class Gastropoda Phylum Molluska; crawl on muscular foot: terrestrial gastropods lack gills instead is richly vascularized to serve as an air breathing lung
pulmonate freshwater/ terrestrial
Class Cephalopoda squid, octopus, cuttlefish, and nautilus; well developed sensory nervous and locomotory system; foot has developed into a ring of arms and tentacles which are covered in suction cups
Created by: missmyk
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