oyster shells
Yes
to help with their digestion.
The oyster's shell provides protection from predators. Oysters do not need to shed their shell because the eat and expel waste products buy opening their shells and pumping water in and out with hairlike structures call cilia.
An oyster - bi (stand for two) and valves (stands for shells) - two shelled animals.
Oysters and mussels do not shed their shells. They are bivalve molluscs and their shells grow larger with age.
Snail,oyster,Dentalium,Chiton
Mother-of-Pearl is found in Oyster shells
feed them oyster shells
one will wait 5 ounces
An oyster - bi (stand for two) and valves (stands for shells) - two shelled animals.
Yes you can make out of it , Just by Pulvurizing the shells and add into the cement