Assertion: koala's area | /r/CapableOf | give rise
Facets:
value: to their own uniquely adapted species.[citation
type: OTHER
Source sentences:
text: Following the emergence of the circumpolar current in the mid-Oligocene era (some 15 MYA), the Australian climate became increasingly arid, giving rise to a diverse group of arid-specialised organisms, just as the wet tropical and seasonally wet areas gave rise to their own uniquely adapted species.[citation needed]