Blue-Orange Aerial Shot (IMAGE)

University of Iowa

Blue-Orange Aerial Shot

Caption

While most people are familiar with microbes that occur above ground -- such as this orange-colored colony surrounding Grand Prismatic Spring at Yellowstone National Park -- microbes also occur around hydrothermal vents on the ocean floor, at depths where light cannot penetrate and where they trap carbon using chemical energy instead of sunlight.

Credit

Photo by Jim Peaco, National Park Service, via Wikimedia Commons: <a target="_blank" href="http://en.wikipedia.org/wiki/File:Grand_prismatic_spring.jpg">http://en.wikipedia.org/wiki/File:Grand_prismatic_spring.jpg</a>.

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