Assertion: black caiman | /r/CapableOf | play the role of a keystone species
Facets:
Source sentences:
text: Being the largest predator in the Amazon ecosystem, the Black caiman may play the role of a keystone species and help to maintain the structure of its ecosystem.
text: Positive As the largest predator in the ecosystem, the Black Caiman may play the role of a keystone species and help to maintain the structure of its ecosystem.