Assertion: koala's preference | /r/HasAspect | its basis
Facets:
value: in the chemistry of the leaves
type: OTHER
Source sentences:
text: The preference for a narrow range of species within the huge Eucalyptus genus appears to have its basis in the chemistry of the leaves.
text: Observed differences in tree species preference between sexes, and the preference for individual trees within species, may have their basis in the social organization of the koala.