Assertion: peppered moth | /r/CapableOf | undergo drastic drop
Facets:
value: due to extensive natural predation
type: CAUSE
value: in population
type: OTHER
Source sentences:
text: Due to this, white peppered moths (not a separate species, just white-colored Biston betularia), who stood out against the blackened trees, underwent a drastic drop in population due to extensive natural predation.