Assertion: echinoderm's tube foot | /r/SimilarTo | tentacle
Facets:
Source sentences:
text: They accomplish these tasks through the use of their numerous hollow tube feet that resemble tentacles.
text: Sea cucumbers feed on tiny particles like algae, minute aquatic animals, or waste materials, which they gather in with 8 to 30 tube feet that look like tentacles surrounding their mouths.