a snail
a one shelled mollusk
These two shelled mollusks have 2 pair of gills to get oxygen.
Mollusks have a mantle, which is a thin layer of tissue that covers their body and secretes the shell in shelled mollusks. The mantle plays a key role in respiration, excretion, and shell formation in mollusks.
Mollusks are animals like snail squid clam cuttlefish lamp shell oyster, they are soft bodied and sometimes hard shelled animals.
The phylum is Mollusca - all clams are mollusks, like any shelled bivalve. Snails and slugs are also mollusks.
Clams, octopi, oysters, scallops, slugs, snails, and squid are all mollusks. Mollusks have soft bodies and either a 1 shell or 2 shells. Clams and scallops are bivalves, which are 2-shelled mollusks.
No - Crabs are crustaceans and have an exo skeleton meaning they have no bones under their shells
The first shelled organisms were likely early mollusks such as the small shelled creatures known as brachiopods or the ancestors of modern snails and clams. Their shells provided protection and support for their soft bodies, helping them adapt to various environments and thrive in the ancient seas.
A mollusk is a shelled sea creature that has a muscle in the inside like a clam or oyster. The name comes from its soft inside.
Cephalopods
Univalves
Nguyen Ngoc Thach has written: 'A checklist of the Vietnamese shelled molluscs' -- subject(s): Identification, Mollusks