A new species of human gut bacteria is discovered.Scientists find that during the process of breaking down and utilizing undigested plant fibers,the bacteria also produces a vitamin that is absorbed by humans.The relationship described is an example of

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The new species of gut bacteria is providing a benefit (vitamin production) to humans while also breaking down undigested plant fibers. This is an example of mutualism, where both organisms benefit from the relationship.

A New Species of Human Gut Bacteria Is Discovered