Assertion: sand dollar | /r/CapableOf | push anterior margin of their body
Facets:
value: through the substrate
type: TRANSITIVE-OBJECT
value: at a slight angle
type: MANNER
Source sentences:
text: The sand dollar pushes the anterior margin of their body through the substrate at a slight angle, and plows forward and upward beneath the upper surface using the spines on the aboral surface (Banister and Campbell 1985).