Assertion: sea urchin | /r/HasProperty | unique animals
Facets:
value: very
type: DEGREE
value: in are covered with spines
type: OTHER
Source sentences:
text: Sea urchins are very unique animals in that their bodies are covered with spines.
text: Since sea urchins are very unique critters, far more unusual than the usual crabs, snails, shrimp and other invertebrates, they can make for a very intriguing focal point and source of conversation for people who view your tank.