Assertion: barnacle's food | /r/HasProperty | plankton
Facets:
value: mostly
type: DEGREE
Source sentences:
text: None of these animals need to move to get something to eat; the ocean delivers food (plankton mostly) into their vicinity once or twice a day.
text: They are filter feeders and those feathery things sticking out of the top are modified legs which sweep through the water catching food (plankton and detritus) from the water.