Assertion: fur seal's limb | /r/HasProperty | modified into flipper
Facets:
Source sentences:
text: They have streamlined bodies and four limbs that are modified into flippers.
text: Enaliarctos, a fossil species of late Oligocene/early Miocene (24–22 Mya) California, closely resembled modern pinnipeds; it was adapted to an aquatic life with a flexible spine, and limbs modified into flippers.
text: Pinnipeds have streamlined, spindle-shaped bodies with reduced or non-existent external ear flaps, rounded heads, flexible necks, limbs modified into flippers, and small tails.
text: Limbs are modified into flippers.