NURSING ANM AND GNM

Detailed explanation-1: -The name cyanobacteria refers to their color (from Ancient Greek (kuanós) ‘blue’), which similarly forms the basis of cyanobacteria’s common name, blue-green algae, although they are not usually scientifically classified as algae. They appear to have originated in a freshwater or terrestrial environment.

Detailed explanation-2: -Cyanobacteria, formerly known as blue-green algae, are photosynthetic microscopic organisms that are technically bacteria. They were originally called blue-green algae because dense growths often turn the water green, blue-green or brownish-green.

Detailed explanation-3: -Colors from Cyanobacteria The relative abundance of phycobilin pigments, the reddish phycoerythrin and the blue phycocyanin, explain the color of cyanobacteria. Microscopically, the blue phycocyanin pigment, the green chlorophyll, and the accessory pigments give rise to blue-green algae.