Assertion: monotreme's characteristic | /r/HasProperty | warm blood
Facets:
Source sentences:
text: The characteristics that qualify them as mammalian include a single bone in the lower jaw, three small bones in the middle ear, a high metabolic rate and warm blood, a body covering or hair, and the ability of females to produce milk to feed their young.
text: Characteristics shared by all mammals include: being warm-blooded; feeding their young with milk produced by the mother; and having hair.