Assertion: otter's habitat | /r/HasProperty | dominated by sea urchins
Facets:
value: mostly
type: DEGREE
Source sentences:
text: The pink ‘encrusting’ algae that the urchins are on coats the rocks and provides some habitat for small invertebrates, but the habitat is mostly dominated by sea urchins, often there will be hundreds of sea urchins within one square meter!