Assertion: howler monkey's group | /r/CapableOf | accumulate genetic differences
Facets:
value: over time
type: TEMPORAL
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.