Assertion: cyanobacteria | /r/CapableOf | form phototrophic biofilms
Facets:
value: in fresh water and marine environments
type: LOCATION
Source sentences:
text: They can occur as planktonic cells or form phototrophic biofilms.
text: They can occur as planktonic cells or form phototrophic biofilms in fresh water and marine environments, they occur in damp soil, or even on temporarily moistened rocks in deserts.