Assertion: echinoderm's structure | /r/CapableOf | cover their body
Facets:
Source sentences:
text: Pedicellaria , many echinoderms have these structures covering their body, the central image is a section through one showing three tooth-like fangs with poison glands below, the one to the left is more forcep-like.
text: Members of this group are marine filter-feeders that secrete a tube-like, chitinous structure that protects their body.