Assertion: cyanobacteria | /r/CapableOf | float near the surface
Facets:
value: for photosynthesis
type: PURPOSE
value: during the day
type: TEMPORAL
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.
text: Blue green algae has a dark green color, it is very slimy, it grows and spreads over any surfaces and has a specific bad smell.