Assertion: kelp's holdfast | /r/CapableOf | serve to anchor the alga
Facets:
value: on the substrate
type: LOCATION
value: in place
type: LOCATION
value: like a root system in plants
type: OTHER
Source sentences:
text: Like a root system in plants, a holdfast serves to anchor the alga in place on the substrate where it grows, and thus prevents the alga from being carried away by the current.