Assertion: chordate | /r/HasAspect | pharyngeal slits
Facets:
value: at some point in their development
type: TEMPORAL
Source sentences:
text: All chordates have a notochord, a dorsal nerve cord, and pharyngeal slits at some point in their development.
text: Finally, all chordates have pharyngeal slits, a set of openings behind the head that connect directly to the throat.