Assertion: invertebrate | /r/HasAspect | hard outer skeleton
Facets:
value: as in most mollusks
type: OTHER
value: often
type: TEMPORAL
Source sentences:
text: Invertebrates are generally soft-bodied animals that lack a rigid internal skeleton for the attachment of muscles but often possess a hard outer skeleton (as in most mollusks, crustaceans, and insects) that serves, as well, for body protection.