Possessive form of the words clam shell: clam shell's
The mantle of a clam protects the clam from sunlight in shelled mollusks, the mantle is the organ that forms the shell, and adds to the shell to increase its size and strength as the animal grows.
A clam. Or an oyster.
The largest shell belongs to the giant clam, Tridacna gigas, whose shell can grow to several hundred pounds, with a length of about 5 feet.
A clam shell grows via a process where tissue is attached to the shell at the edge. Over time this material builds up producing a ring like pattern. The number of rings will indicate the age of the clam shell.
By it's shell
Only if you poo on it
The umbo which is located at the anterior end of the clam
A clam shell is not smooth because being smooth would decrease friction between a clam and the surface it lives on. With low friction, a clam would go places it would not want to go.
The inside lining of a clam shell is called a nacre. It is soft and smooth and helps protect the clam.
The mantle is the newest part of the clam's shell. At the edge of the mantel there is a thicker area of muscle which turns into new shell as the clam grows.
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.