Respuesta :
Answer:
Color is green and sometimes could turn blue when dying. Odor problems can occur with large concentrations of the blue-green algae.
some species are also capable in providing toxins.
Explanation:
DescriptionCyanobacteria, also known as Cyanophyta, are a phylum consisting of free-living photosynthetic bacteria and the endosymbiotic plastids, a sister group to Gloeomargarita, that are present in some eukaryotes. They commonly obtain their energy through oxygenic photosynthesis