Mollusca

Mollusks Sam Pierce Period 7 Mrs. Tabor 5/18/2009 Giant Squid/ Architeuthis dux By Tom Zeller Jr.

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Classification Class Gastropoda ( snails, sea slugs) Class Pelecypoda (=Bivalvia: clams, mussels, oysters, scallops) Class Cephalopoda (squids, octopus, nautilus, cuttlefish) Class Aplacophora Class Monoplacophora Class Polyplacophora (chitons) Class Scaphopoda (tusk shells) Class Caudofoveata

[object Object],[object Object],Body Form of a mollusk Photo By McGraw Hill Symmetry, Skeletal System, and Body

[object Object],[object Object],Cuttlefish Photo By: Gavin Newman Reproduction

[object Object],[object Object],Excretion Undigested food ----> anus Nephridia (neh-FRIHD-ee-ah) - special organs that remove metabolic waste ammonia from body fluids. Feeding -filter feeders - bivalves use gills to filter plankton from water. ~ detritus feeders ~ parasites Digestive System and Food

[object Object],Enviroment Mussels Clams

[object Object],[object Object],Interactions With Humans

[object Object],Unique or Interesting Facts

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Bibliography

Mollusca

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