Assertion: mantle | /r/CapableOf | add to increase its size
Facets:
value: to the shell
type: TRANSITIVE-OBJECT
Source sentences:
text: In shelled molluscs, the mantle is the organ that forms the shell, and adds to the shell to increase its size and strength as the animal grows.
text: 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.