Assertion: earthworm | /r/HasProperty | absent
Facets:
value: in soils
type: LOCATION
Source sentences:
text: Earthworms need a continuous supply of calcium, so are absent in soils low in this element.
text: All living organisms belong to specific groups within these categories, most of which have already been established, and earthworms are no exception.
text: Earthworms need a continuous supply of calcium, so are absent in soils low in this element.