glochidia
It has two valves, hence bi....
they are called bivalves .(:
Valve means shell. A snail is a univalve because it only has one shell. Crabs are not considered bivalves. The bivalves are a group of mollusks which includes clam, mussels, and oysters, all of which have two shells enclosing the animal, hence their classification as bivalves.
a freshwater mussel
A group of mussels collectively are called shellfish, clams, bivalves and unionids.
a specialized excretory cell found in the simplest freshwater invertebrates
siphons
Mollusks are defined as Bivalves. They are called Bivalves because they have two shells. Cnidarians such as Jelly Fish do not have shells which define a bivalve (mollusks).
it is called a bivalve
true
Saltwater and Freshwater mixed is called brackish water.
An estuary is the place where freshwater and saltwater meet.