Hermit Crab, turtle, and clam fit this analogy.
The mantle is a secrete shell. The functions of the mantle is to protect the crab.
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A clam shell
Possessive form of the words clam shell: clam shell's
Crabs have no inner skeleton like humans do so the shell is its skeleton but on the outside of its body. The shell protects the crab from injury.
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.
The clam has a tongue like 'appendage' that it slips through a lightly opened shell. Through the lightly opened shell, it pulls itself.
It is like a bone that protects the crab.
There are many different kinds of shells. A scallop shell comes from a scallop just like a clam shell comes from a clam or an oyster shell comes from an oyster. A shell is the outer layer that protects them and a Scallop is the kind of animal it is.
A Human skeleton,and a crab shell are alike because,the bones inside the human body are strong like the crab shell on the outside of the body
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.