Assertion: arthropod's pair | /r/ObjectUse | used for locomotion
Facets:
Source sentences:
text: All three pairs of legs may be used for locomotion or adapted for specialized tasks such as prey capture.
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.
text: All three pairs of legs may be used for locomotion or adapted for specialized tasks such as prey capture.