Assertion: gastropod's shell | /r/CapableOf | grow over the lifetime of the mollusc
Facets:
value: in those shelled molluscs
type: OTHER
value: steadily
type: MANNER
Source sentences:
text: In those shelled molluscs that have indeterminate growth, the shell grows steadily over the lifetime of the mollusc by the addition of calcium carbonate to the leading edge or opening.