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they don't because there's no "head" bearing a cluster of sensory organs and containing ganglia to support those.
What else can I help you with?
What is the scientific name for bivalves?
Bivalvia is the scientific name for the bivalves.
What mollusk group are suspension feeders?
bivalves
Why are bivalves called bivalves?
It has two valves, hence bi....
Do bivalves show cephalization of a clam?
No - class Bivalvia of phylum mollusca have no head examples are clams, oysters, and mussels
Why do bivalves have strong muscles?
Bivalves have strong muscles in order to hold their shells closed.
What do bivalves do when a grain of sand gets in its shell?
When life gives bivalves sand, they make pearls.
Filter-feeding bivalves can be used to monitor the environmental health of a habitat because?
Because basically what they eat is what they're filtering from the sea. Pollutants and such will be included. If there is an over-abundance or organic matter due to pollution, it might show in causing larger population numbers of bivalves as well...
What are mollusks that have two shells held together by hinges and strong muscles called?
they are called bivalves .(:
Do Bivalves move using jet propulsion?
Bivalves move by using a blade shaped muscular foot.
Are clams bivalves?
Yes, clams are bivalves. Bivalves are a class of mollusks characterized by having a shell with two hinged valves. Clams have two shells that they can close tightly to protect themselves.
In which plane are bivalves flattened?
Bivalves are flattened in the sagittal plane. They are bilaterally symmetrical. A good example of a bivalve is a clam.
Why are snails called Univales and crabs 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.
