Assertion: horseshoe crab | /r/CapableOf | play important part
Facets:
value: in the ecosystem
type: LOCATION
Source sentences:
text: Horseshoe crabs play an important part in marine ecosystems stirring up sediment layers, act as a source of food for fish, crustaceans, and shorebirds, and act as predators to mollusks and polychaetes.
text: They're critical to the pharmaceutical industry and play an important role in the ecosystem.