Assertion: wolf | /r/CapableOf | keep prey populations
Facets:
value: as top predators
type: MANNER
Source sentences:
text: Wolves prey primarily on animals that are young or elderly, sick or injured, and weak or unfit, thus keep prey populations healthy.
text: Wolves, as top predators, keep prey populations strong, healthy and in balance with what the ecosystem can sustain by feeding primarily on young, infirm and older animals.