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