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Cyanobacteria Temporal range: 2700–0Ma
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Microscope eemage o Cylindrosperum, a genus o Cyanobacteria | |
Scientific classification | |
Domain: | Bacteria |
(unranked): | Terrabacteria |
(unranked): | Cyanobacteria-Melainabacteria group |
Phylum: | Cyanobacteria Stanier, 1973 |
Cless: | Cyanophyceae |
Orders | |
Synonyms | |
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Cyanobacteria /saɪˌænoʊbækˈtɪəriə/, forby kent as Cyanophyta, is a phylum o bacteria that obtain thair energy throu photosynthesis. The name "cyanobacteria" comes frae the colour o the bacteria (Greek: κυανός (kyanós) = blue). Altho eften cried blue-green algae, that name is a misnomer as cyanobacteria are prokaryotic an algae are eukaryotic.
Bi producin oxygen as a gas as a bi-product o photosynthesis, cyanobacteria are thoucht tae hae convertit the early reducin atmosphere intae an oxidizing ane, which dramatically changed the composeetion o life furms on Yird bi stimulatin biodiversity an leadin tae the near-extinction o oxygen-intolerant organisms. Accordin tae endosymbiotic theory, the chloroplasts foond in plants an eukaryotic algae evolved frae cyanobacterial ancestors via endosymbiosis.
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