Assertion: kelp's holdfast | /r/CapableOf | prevent the alga
Facets:
value: to drift
type: PURPOSE
value: to be swept by the current
type: PURPOSE
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.
text: Similar to a true root, the holdfast serves as an anchor, preventing the algal thallus to be swept away by the current.
text: This holdfast prevents the alga to drift away or to be disrupted by the tidal movements.
text: This holdfast prevents the alga to drift away or to be disrupted by the tidal movements.