Bacillus subtilis
Bacillus subtilis

The wrinkled structure of this Bacillus subtilis biofilm helps to ensure that all the bacteria in it have access to oxygen (left). A digital scanned model of the biofilm helps illustrate how the bacterial community can vary its structure in three dimensions (right).

Roberto Kolter and Steve Minsky

Nikolai Sivertsen

Source: The Beautiful Intelligence of Bacteria …
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