Assertion: blue crab | /r/HasProperty | a keystone species
Facets:
value: in the bay food web
type: LOCATION
value: as prey
type: MANNER
value: as both predator
type: MANNER
Source sentences:
text: As both predator and prey, blue crabs are a keystone species in the Chesapeake Bay food web.
text: As both predator and prey, blue crabs are a keystone species in the Bay food web.