Assertion: arthropod's appendage | /r/ObjectUse | used for feeding
Facets:
Source sentences:
text: The appendages are used for feeding, sensory reception, defense, and locomotion.
text: One theory is that this reflects how a common ancestor of all arthropods evolved; starting its life as a small animal with a pair of appendages used for feeding and two pairs used for locomotion, while new segments and segmental appendages were gradually added as it was growing.