Bivalves
Lungs
Cephalopods
Shell
Gills
Gastropods
Muscular foot
These structures are used by terrestrial mollusc to breathe
These structures are used by some aquatic molluscs to breathe
A group of molluscs. Their foot is next to their head
A group of molluscs. Their shel is divided in two parts and they feed by filtration, like clams or mussels
They use this part of the body to move. Some molluscs use it to feed themselves.
A group of molluscs. They are mainly aquatic and have an external spiral- shaped shell, like snails.
A protective layer made of minerals
