Question

what is cyanobacteria? write the name of two cyanobacteria​

Answer 1

bacteria that obtain their energy through photosynthesis and are the only photosynthetic prokaryotes able to produce oxygen.

Answer 2

The first three – Chroococcales, Pleurocapsales, and Oscillatoriales – are not supported by phylogenetic studies. The latter two – Nostocales and Stigonematales – are monophyletic, and make up the heterocystous cyanobacteria. The members of Chroococales are unicellular and usually aggregate in colonies.