Assertion: sea urchin's spine | /r/HasProperty | brittle
Facets:
value: quite
type: DEGREE
Source sentences:
text: Sea urchins have brittle spines, and when stepped on, the spines have a tendency to break off in the foot or hand.
text: Although sharp, these spines are quite brittle, can frequently break off during run-ins with potential predators and can also be broken off by predators with fingers (otters).
text: The spines of Diadema antillarum are brittle and will fragmentize if wounded.
text: Both the longer, primary spines (which are hollow) and the smaller, secondary spines are brittle and break off after puncturing the skin.
text: Although sharp, these spines are quite brittle, can frequently break off during run-ins with potential predators.
text: More danger is presented by the delivery system – the urchin's spines which are extremely brittle and needle-like.