Soil Bacteria (IMAGE)

Indiana University

Soil Bacteria

Caption

Soils are one of the largest reservoirs of microbial diversity on Earth. It is not uncommon for a gram of soil to contain one trillion cells and ten thousand species of bacteria, including Actinomyces israelii (pictured).

Credit

<a target="_blank"href="https://commons.wikimedia.org/wiki/File:Actinomyces_israelii.jpg">GrahamColm at English Wikipedia</a>

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<a target="_blank" href="https://creativecommons.org/licenses/by/3.0/deed.en">Creative Commons Attribution 3.0 Unported</a>

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