Assertion: marsupial | /r/HasAspect | short-lived placenta
Facets:
Source sentences:
text: Marsupials, on the other hand, have a short-lived placenta that nourishes their young for just a few days before they’re born, the rest of their nutrition coming from the mother’s (pouch-obscured) teats.
text: Marsupials have a short-lived placenta that nourishes their young for just a few days before they’re born, the rest of their nutrition coming from the mother
text: Marsupials have short-lived placenta