Assertion: monotreme's opening | /r/CapableOf | call cloaca
Facets:
Source sentences:
text: This is because these mammals have only one opening, called a cloaca, for their anus, urinary and reproductive tracts.
text: Monotremes have a single common opening for their digestive, urinary and reproductive tracts called a cloaca.
text: This means that the animal excretes, mates and lays eggs through one opening called a cloaca.