Assertion: duck's egg | /r/CapableOf | develop in utero
Facets:
value: within the mother’s body
type: LOCATION
value: for about 28 days
type: TEMPORAL
Source sentences:
text: The eggs develop in utero for about 28 days, with only about 10 days of external incubation (in contrast to a chicken egg, which spends about one day in tract and 21 days externally).
text: The eggs develop in utero (within the mother’s body) for about 28 days before being laid and developing for another 10 days.