Assertion: brittle star | /r/HasAspect | tube feet
Facets:
value: along the bottoms of their arms
type: LOCATION
Source sentences:
text: They also have tube feet along the bottoms of their arms that excrete an adhesive, enabling them to climb up the sides of rocks and fish tanks.
text: Like other echinoderms, brittle stars are symmetrical along five axes, have spiny skin and tube feet.