Assertion: octopus | /r/CapableOf | lack shell
Facets:
value: completely
type: DEGREE
Source sentences:
text: The octopus is essentially a mollusk that lacks a shell but has eight arms and three hearts.
text: Octopuses completely lack the shell which characterizes more distant mollusc relatives like the snails and bivalves, but they have the same basic body design: a head with eyes; muscular foot (modified into eight arms); and a sac-like body mass that encloses the internal organs and gill chamber.
text: But, while the octopus lacks a shell, it is not without defenses and shows many fascinating adaptations for survival.