Assertion: marsupial's feature | /r/CapableOf | have evolved in monotreme
Facets:
value: independently
type: MANNER
Source sentences:
text: As in all true mammals, the tiny bones that conduct sound to the inner ear are fully incorporated into the skull, rather than lying in the jaw as in cynodonts and other premammalian synapsids; this feature, too, is now claimed to have evolved independently in monotremes and therians, although, as with the analogous evolution of the tribosphenic molar, this hypothesis is disputed.