Assertion: monotreme's teeth | /r/HasAspect | two main cusps
Facets:
Source sentences:
text: The first upper and third lower cheek teeth of platypus nestlings are small, each having one principal cusp, while the other teeth have two main cusps.
text: The first upper and third lower cheek teeth of platypus nestlings are small, each having one principal cusp, while the other teeth have two main cusps.