Assertion: duck | /r/HasAspect | adaptation
Facets:
Source sentences:
text: Ducks such as harlequins, which live in areas noted for food scarcity, have adaptations designed to help them stay alive.
text: Ducks as a group have several adaptations, and individual species of ducks possess further adaptations unique to their habits and habitats.
text: Ducks have a number of adaptations unique to their habits and habitat.