Assertion: bullfrog | /r/CapableOf | evolve in eastern north america
Facets:
value: with a diverse predatory fish fauna
type: OTHER
Source sentences:
text: One possible reason the bullfrog has thrived in California is that, in eastern North America (its native habitat) bullfrogs evolved with a diverse predatory fish fauna, so that it has evolved mechanisms that enable it to avoid predation by fish in various environments.