Assertion: lion's population | /r/CapableOf | become isolated
Facets:
value: increasingly
type: DEGREE
Source sentences:
text: Breeding populations are becoming increasingly isolated and at risk of inbreeding depression.
text: Mitochondrial DNA sequence data from fossil lion remains show that the American lion represents a sister group of P. spelaea, and likely arose when an early P. spelaea population became isolated south of the Cordilleran Ice Sheet about 340,000 years ago.