Assertion: mass extinction | /r/CapableOf | remove non-avian dinosaurs
Facets:
Source sentences:
text: The end-Cretaceous mass extinction removed the non-avian dinosaurs and made it possible for mammals to expand into the large terrestrial vertebrate niches.
text: The end-Cretaceous mass extinction removed the non-avian dinosaurs and made it possible for mammals to expand into the large terrestrial vertebrate niches.