<em>Chlorobium phaeoferrooxidans</em> (IMAGE)
Caption
Ancient microbes, such as the Chlorobium phaeoferrooxidans pictured here, played an important role in the development of Archean banded iron formations and the warming of Earth's early climate. Credit to Katharine Thompson.
Credit
Katharine Thompson
Usage Restrictions
with credit to Katharine Thompson.
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Licensed content