Assertion: echinoderm's spiny skin | /r/HasProperty | reference
Facets:
Source sentences:
text: In fact, the name, Echinodermata, means spiny skin, a reference to the occurrence of spines on sea urchins, and to a lesser extent, on sea stars and brittle stars.
text: In fact, the name, Echinodermata, means spiny skin, a reference to the occurrence of spines on sea urchins, and to a lesser extent, on sea stars and brittle stars.