Assertion: mayfly | /r/HasProperty | unique
Facets:
value: as insects
type: OTHER
Source sentences:
text: Mayflies are unique, being the only insect with two adult molts.
text: The Mayfly is one such unique creature that we will learn about today.
text: Mayflies are unique as insects in having two winged adult stages.
text: On the other hand, mayflies are unique as being the only insect to have two winged adult life stages – the sexually immature – subimago and the reproductive, mature – imago.