Assertion: bootlace worm | /r/HasProperty | free-living forms
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Ribbon worm, also called bootlace worm, proboscis worm, nemertine, or nemertean, any member of the invertebrate phylum Nemertea (sometimes called Nemertinea, or Rhynchocoela), which includes mainly free-living forms but also a few parasites of crustaceans, mollusks, and sea squirts.