Assertion: sand dollar's skeleton | /r/CapableOf | incorporate sand
Facets:
value: into their mesoglea
type: TRANSITIVE-OBJECT
value: for structural strength
type: PURPOSE
Source sentences:
text: Zoanthid "skeletons": Animals in this order of marine benthic cnidarians related to corals and sea anemones, incorporate sand into their mesoglea for structural strength, which they need because they lack a true skeleton.