Assertion: parthenogenesis | /r/AtLocation | bird
Facets:
value: naturally
type: MANNER
value: even more
type: DEGREE
Source sentences:
text: Parthenogenesis occurs naturally in many plants, invertebrates (e.g. water fleas, rotifers, aphids, stick insects, some ants, bees and parasitic wasps), and vertebrates (e.g. some reptiles, amphibians, rarely sharks and birds).
text: However, even though parthenogenesis occurs naturally in even more advanced vertebrates, like birds, it is mostly abortive in nature.