Assertion: purple sea urchin | /r/HasProperty | long-lived
Facets:
value: extremely
type: DEGREE
Source sentences:
text: Since evidence suggests that the red sea urchin (Strongylocentrotus franciscanus) is extremely long-lived with no detectable signs of ageing, the purple sea urchin may also be extremely long-lived and its maximum longevity may be considerably underestimated.