Assertion: howler monkey's population | /r/CapableOf | become isolated
Facets:
value: geographically
type: OTHER
value: by a river
type: LOCATION
Source sentences:
text: A population of animals or plants becomes geographically isolated -- by a river that changes course or a mountain range that rises up, for example -- and the two separated groups accumulate genetic differences over time as they adapt to their environments in isolation.
text: A population of animals or plants becomes geographically isolated—by a river that changes course or a mountain range that rises up, for example—and the two separated groups accumulate genetic differences over time as they adapt to their environments in isolation.