THIERRY BERROD / SCIENCE PHOTO LIBRARY THIERRY BERROD / SCIENCE PHOTO LIBRARY
Ice microbes. Light microscopy footage of extremophile microbes in an Arctic environment. Microbial mats are found on ice shelves in the high Arctic. Extreme conditions in this ecosystem include low temperatures, high exposure to ultraviolet (UV) rays in sunlight, and high salinity. These extremophiles include bacteria, cyanobacteria and algae. Some produce a red pigment that helps protect them from UV radiation. This sample is from Greenland.
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