Assertion: cyanobacteria | /r/CapableOf | adjust their buoyancy
Facets:
value: by means of gas vacuoles
type: MANNER
Source sentences:
text: Some Cyanobacteria adjust their buoyancy by means of gas vacuoles, enabling them to adjust their position in the water column, floating near the surface during the day for photosynthesis and sinking deeper at night to harvest nutrients.