MAREK MIS / SCIENCE PHOTO LIBRARY MAREK MIS / SCIENCE PHOTO LIBRARY
Cyanobacteria. Darkfield illuminated polarised light micrograph of Microcystis sp. (top) and Anabaena sp. (bottom) cyanobacteria. Cyanobacteria (also known as blue-green algae) are bacteria that obtain their energy through photosynthesis. Magnification: x100 when printed 10 centimetres wide.
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