Assertion: platypus | /r/HasProperty | frequent subject of research
Facets:
Source sentences:
text: Because of the early divergence from the therian mammals and the low numbers of extant monotreme species, the platypus is a frequent subject of research in evolutionary biology.
text: Because of the early divergence from the therian mammals and the low numbers of extant monotreme species, the platypus is a frequent subject of research in evolutionary biology.
text: The platypus is a frequent subject of research in evolutionary biology.