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Phylum Mollusca

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Total cards: 11•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (11)

#1
Front (Question)

Common name

Back (Answer)

Mollusk Soft body

#2
Front (Question)

Symmetry

Back (Answer)

Bilateral- trophoblastic

#3
Front (Question)

Organ systems

Back (Answer)

Complete digestive system Open circulatory system Cephalopods have complete CS Vessels in gills Reduced eucoelomate

#4
Front (Question)

Diversity

Back (Answer)

Chitons Snails Cephalopods Bivalves 8 classes

#5
Front (Question)

Structure

Back (Answer)

Muscular foot Visceral mass Mantle Gills Radula Trocophor -> veliger

#6
Front (Question)

Shells

Back (Answer)

Calcium carbonate CaCo3 Mantle deposits Cephalopods don’t have shell Shells provide fossil record and index

#7
Front (Question)

Radula

Back (Answer)

Rasping and drilling tounge Venomous harpoons modified to beak

#8
Front (Question)

Polyplacopora

Back (Answer)

Marine chitons 8 plates for dorsal shell

#9
Front (Question)

Gastropoda

Back (Answer)

“Stomach foot” Snails, slugs, nudibranches Marine, freshwater, and terrestrial Torsion (twisting) Operculum

#10
Front (Question)

Bivalve

Back (Answer)

“Two halves” Oysters, clams, muscles, scallops Filter feeders

#11
Front (Question)

Cephalopods

Back (Answer)

“Head foot” Squid, octopus, cuttlefish, nautiluses Reduced shell, large complex eye, complex nervous system, closed circulatory system Intelligence