The oldest part of a clams shell is the outside part of the hinge. This is because the clam starts at the hinge and grows outwards.
http://www.answers.com/Q/What_is_the_oldest_part_of_the_clam_shell
The oldest part of a clams shell is the outside part of the hinge.  This is because the clam starts at the hinge and grows outwards.
http://www.answers.com/Q/What_is_the_oldest_part_of_the_clam_shell
Mussels breathe exclusively with gills. In different bivalve groups the gill construction can be so different, that the gill construction type is a major part of bivalve systematics. The gills not only serve for respiration, but also for feeding the mussel.
http://www.molluscs.at/bivalvia/
The main part of a bivalve's shell is made from aragonite, a mineral of calcium carbonate in prism-shaped crystals. This layer is made of a very hard substance but very susceptible to chemical corrosion.
http://www.molluscs.at/bivalvia/
The umbo which is located at the anterior end of the clam.
http://www.answers.com/Q/What_is_the_oldest_part_of_the_clam_shell
As those particles are clustered inside the mussel, they become to heavy to float and after leaving the mussel fall to the ground and are added to the sediment. So the mussel has got an important part in clearing the water. Blue mussels for example can filtrate up to 5 litres of water per hour, oysters even manage 25 litres.
http://www.molluscs.at/bivalvia/
What is the oldest part of clams shell called and how can it be located? The oldest part of the clam shell is called the umbo. It is the portion closest to the hinge and is found by following the growth rings to their center.
http://www.answers.com/Q/What_is_the_oldest_part_of_the_clam_shell
What is the oldest part of a clam's shell called and how can it be located? somebodies doing there science homework! ----- Don't be lame, it i … s a umbo and it is near the mouth.
http://www.answers.com/Q/What_is_the_oldest_part_of_the_clam_shell
The generally accepted systematic name (in contrary to some others) of all mussels, clams and scallops - Bivalvia- the two-valve molluscs - refers to the most important character of all bivalves, that separates them from all other molluscs: The shell is separated into two pieces.
http://www.molluscs.at/bivalvia/
the shell protects the clam from predators. The shell also helps make pearls when the clam has something that is irritating the clam. The irritating object has to have part of … another clams mantle on it it makes the pearl with the mother of pearl which is the shinny part on the inside of the clam.
http://www.answers.com/Q/What_is_the_oldest_part_of_the_clam_shell
what is the oldest part of the clam and how can ti be located
The oldest part of the clam shell is called the umbo. It is the portion closest to the hinge and is found by following the growth rings to their center.