Assertion: brittle star's movement | /r/HasProperty | observed with an interval of 21 ± 10 min
Facets:
value: frequently
type: TEMPORAL
Source sentences:
text: The rhythmic movement in the five-armed individuals of the green brittle star, pumping, was frequently observed with an interval of 21 ± 10 min (mean ± s.d., N = 4) after feeding (Fig.