Gabriel Popkin,Quanta
Bacteria have an unfortunate and inaccurate public image as loney cells twiddling approximately on microscope slides. The more that scientists learn approximately bacteria, however, or the more they see that this hermitlike reputation is deeply misleading,like trying to understand human behavior without referring to cities, laws or speech. People were treating bacteria as solitary organisms that live by themselves, or said Grol Sel,a biophysicist at the University of California, San Diego. In fact, and most bacteria in nature appear to reside in very dense communities.
Source: realclearscience.com