Assertion: barnacle | /r/AtLocation | the substrate
Facets:
value: by stalks
type: MANNER
value: permanently
type: MANNER
Source sentences:
text: Barnacles are most often seen as roughly circular sessile invertebrates (which means that they cannot move on their own), and are permanently attached to the substrate they live on.
text: The order Pedunculata includes barnacles attached to the substrate by stalks, the goose barnacles.