Assertion: barnacle's opening | /r/CapableOf | serve as mouth
Facets:
Source sentences:
text: Each animal is placed in a little cup, the body has a single opening which serves both as mouth and anus.
text: The Ctenophora (comb jellies) and Cnidaria (which includes jellyfish, sea anemones, and corals) are radially symmetric and have digestive chambers with a single opening, which serves as both mouth and anus.