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Extremophilic Microbial Mats

Detailed Description

Water run off from the Excelsior geyser hot spring. Various extremophilic microbial mats (Domains Archaea and Eubacteria) living in the hot springs, acidic habitats, and geyser basins. Notice the bands of color as microbial populations separate according to their tolerance for differing temperature and/or pH gradients.


Public Domain.