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Phylum Mollusca Class Gastropoda. Eww…slugs and snails!. Gastropod Characteristics. Gastropod-means “Stomach Foot” Named because their foot is on the same side as their stomach Many have shells Radula-rows of tiny teeth used to eat Muscular foot used to move. Mollusk Mantle?.
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Phylum MolluscaClass Gastropoda Eww…slugs and snails!
Gastropod Characteristics • Gastropod-means “Stomach Foot” • Named because their foot is on the same side as their stomach • Many have shells • Radula-rows of tiny teeth used to eat • Muscular foot used to move
Mollusk Mantle? • All mollusks have a mantle • Thin layer of cells that covers their internal organs • Produces the shell in mollusks with a shell
Gastropod’s Circulate • Bivalves and Gastropods have an open circulatory system • No blood vessels or veins, blood just surrounds the internal organs. • Heart pumps blood into space inside the internal cavity of the organism. • Blood soaks the internal organs and then returns to the heart