The common name oyster is used for a number of different groups of bivalve mollusks. Bivalves are mollusks belonging to the class Bivalvia. They have two-part shells, and typically both valves are symmetrical along the hinge line. The class has 30,000 species, including scallops, clams, oysters and mussels. Other names for the class include Bivalva, Pelecypoda, and Lamellibranchia.
Pteriidae
Snail,oyster,Dentalium,Chiton
Oyster drills
the mollusk live in land example fish oyster
The count noun for oysters is simply "oyster." When referring to individual units, you would say "one oyster," "two oysters," etc. In this context, "oyster" is used to denote the individual mollusks, distinguishing them from collective terms like "oyster bed" or "oyster population."
Mollusks are animals like snail squid clam cuttlefish lamp shell oyster, they are soft bodied and sometimes hard shelled animals.
No. The shells of oysters and other mollusks are composed of calcium carbonate, which is inorganic.
A pearl is typically found within the shells of mollusks, particularly oysters and certain types of clams. The most renowned source of pearls is the saltwater oyster from the family Pteriidae, especially species like the Akoya oyster, the Tahitian black-lipped oyster, and the South Sea oyster. These mollusks produce pearls as a defense mechanism against irritants, forming layers of nacre around the foreign object.
An oyster is an example of a mollusk. Mollusks are soft-bodied animals that typically have a calcium carbonate shell for protection. Oysters are bivalve mollusks, meaning they have two hinged shells.
Pearls are naturally occurring gems made mostly of calcium carbonate that are produced by certain species of oysters and mollusks.
No, an octopus is an invertebrate, having no backbone, nor indeed any bones. It has a beak, however, and a vestigial shell remnant from its descent from mollusks. Other mollusks include the squid, oyster, and snails.
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.