Assertion: toxin | /r/ObjectUse | used by metazoan
Facets:
value: as ribbon worms
type: MANNER
value: as a defensive biotoxin
type: PURPOSE
value: variously
type: DEGREE
Source sentences:
text: The toxin is variously used by metazoans as a defensive biotoxin to ward off predation, or as both a defensive and predatory venom (e.g., in octopuses, chaetognaths, and ribbon worms).