Assertion: calcareous sponge | /r/HasProperty | dull
Facets:
value: usually
type: DEGREE
value: in appearance
type: OTHER
value: in colour
type: OTHER
Source sentences:
text: Calcareous sponges occur mainly on the rocky bottoms of the continental shelves in temperate, shallow waters; they are usually dull in colour.
text: Calcareous sponges are small, usually only a few inches high, and are generally dull in appearance, although several species are brightly colored.