Assertion: mammoth | /r/CapableOf | undergo heightening
Facets:
value: by the late pleistocene
type: TEMPORAL
Source sentences:
text: By the late Pleistocene, mammoths in continental Eurasia had undergone a major transformation, including a shortening and heightening of the cranium and mandible, increase in molar hypsodonty index, increase in plate number, and thinning of dental enamel.