mollusca

Phylum Mollusca

all have a mantle

all have a nervous system

all have a cavity for breathing

Gastropoda

Stomach foot

live on land and in water

one shell = snail

no shell= slug

Cephalopoda

octopus

poisonous to man

have the ability to change the texture of their skin

head-foot

cuttlefish

Nautilus

gave us the idea for a submarine

squid

Bivalvia

live in salt water and fresh water

any two shelled Mollusk

belongs to this class

two shells

mussles

scallop

oysters make pearls