Assertion: cephalopod's arm | /r/HasProperty | derived
Facets:
value: from the foot
type: OTHER
value: from the head
type: OTHER
Source sentences:
text: Cephalopod means ‘head-footed’ – the arms and tentacles are derived from the head.
text: In bivalves, the foot is adapted for burrowing into the sediment; in cephalopods it is used for jet propulsion, and the tentacles and arms are derived from the foot.