Assertion: chordate's tail | /r/HasProperty | post-anal
Facets:
Source sentences:
text: All chordates have a post-anal tail.
text: Chordates all have pharyngeal gill slits and a postanal tail at some stage of development, in some cases only in the embryo stage.
text: All chordates possess at some time in their lives a post anal tail, i.e. an elongation of the body beyond the end of the digestive tract.
text: Lastly, all chordates have a post-anal tail, or extension of the notochord and nerve cord past the anus.