Assertion: embryo | /r/HasProperty | nourished by the yolk
Facets:
value: in the egg sac
type: LOCATION
value: in lower animals
type: OTHER
Source sentences:
text: In lower animals the embryo is nourished by the yolk.
text: The embryo is nourished by the yolk in the egg sac and chews itself out when it is fully developed.