Assertion: angiosperm's seed | /r/HasProperty | important development
Facets:
value: for many animals
type: TRANSITIVE-OBJECT
value: relative to more primitive plants
type: OTHER
value: in success
type: OTHER
Source sentences:
text: Seeds have been an important development in the reproduction and success of gymnosperm and angiosperm plants, relative to more primitive plants such as ferns, mosses and liverworts, which do not have seeds and use water-dependent means to propagate themselves.
text: Seeds are also an important food source for many animals, particularly small rodents and birds.