Assertion: sponge's spicule | /r/CapableOf | provide some defense
Facets:
value: against predators
type: TRANSITIVE-OBJECT
value: in some species
type: OTHER
Source sentences:
text: Sclerocytes secrete the mineralized spicules ("little spines") that form the skeletons of many sponges and in some species provide some defense against predators.