Assertion: european mammoth | /r/CapableOf | retain similar number of molar ridges
Facets:
Source sentences:
text: The Columbian mammoth evolved from a population of M. trogontherii that had crossed the Bering Strait and entered North America about 1.5 million years ago; it retained a similar number of molar ridges.
text: The Columbian mammoth evolved from a population of M. trogontherii that had crossed the Bering Strait and entered North America about 1.5 million years ago; it retained a similar number of molar ridges.