https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.6 2026-03-19T10:41:57.720Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/166de4c9-89ad-4248-b771-512beb1705cf CYANOBACTERIA (BLUE-GREEN ALGAE) Blue-Green Algae, now called cyanobacteria, are good examplesof photoautotrophic eubacteria. They are also among the mostcommon photoautotrophs on Earth. Most live in ponds and other freshwaterhabitats. They may grow as mucus-sheathed chains of cells, which can formdense, slimy mats near the surface of nutrient-enriched water.