Assertion: monotreme's bone | /r/CapableOf | evolve in mammal ancestors
Facets:
value: from part of the jaw
type: OTHER
value: after the split from other reptiles
type: TEMPORAL
Source sentences:
text: These three bones, which help transmit vibrations from the eardrum to the inner ear, evolved in mammal ancestors from part of the jaw after the split from other reptiles.