Assertion: crabeater seal's teeth | /r/ObjectUse | used for sieving
Facets:
value: primarily
type: DEGREE
Source sentences:
text: The lack of abrasive wear on the postcanine dentition supports the hypothesis that these teeth, and their long sharp cusps, are primarily used for sieving, rather than for piercing prey during grip-and-tear feeding as suggested by Adam and Berta (2002).