Assertion: monotreme | /r/UsedFor | refer to single duct
Facets:
value: for systems
type: PURPOSE
value: for defecatory
type: PURPOSE
value: for reproductive
type: PURPOSE
value: for their urinary
type: PURPOSE
Source sentences:
text: The key anatomical difference between monotremes and other mammals gives them their name; monotreme means “single opening” in Greek, referring to the single duct (the cloaca) for their urinary, defecatory, and reproductive systems.