Assertion: bird | /r/CapableOf | evolve in the course of the mesozoic era
Facets:
value: independently
type: MANNER
Source sentences:
text: For example, it's likely that birds evolved two or three times, independently, in the course of the Mesozoic Era, but only one of these lineages survived the K/T Extinction 65 million years ago and went on to spawn the ducks, doves, and penguins we all know and love today.