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Mollusca

Terms in this set (15)

Are molluscs protostome or deuterostome?
protostome
Coelom classification in molluscs
coelomate
Type of gut found in molluscs
complete gut (tube-within-a-tube body plan)
3 components of Mollusc body plan
Foot, visceral mass & mantle
Foot
Strong, muscular portion used for movement in molluscs
Visceral mass
area beneath the mantle of a mollusk that contains the internal organs
Mantle
Part that covers the visceral mass and secretes the shell in some molluscs
Mollusc symmetry
bilateral
# of germ layers in molluscs
3 (triploblastic)
3 main groups of molluscs
gastropods, bivalves & cephalopods
Examples of gastropods
snails and slugs
Examples of bivalves
clams, mussels, oysters
Examples of Cephalopods
octopi and squid
Radula
An organ covered with teeth that mollusks use to scrape food into their mouths
Ctenidia
Term for gills in molluscs
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