Assertion: sand dollar | /r/HasAspect | spine
Facets:
value: on the outside of their skeletons
type: LOCATION
value: on their bodies
type: LOCATION
Source sentences:
text: Sand dollars have spines on their bodies that help them to move around the ocean floor.
text: If the sand dollar still has its spines and feet, return it to the water.
text: Sand dollars are echinoderms, which means they have spines.
text: Know why sand dollars have spines on the outside of their skeletons