Dozens of dynamic interactive layers. Biofilms are a profoundly important force in the development of terrestrial environment. They dwell permanently in bedrock and the earth's sediments,where they play an essential role in recycling elements, leaching minerals,and forming soil. Can wreak havoc with human-made structures such as cooling towers,storage tanks,air conditioners and even stone buildings. Have serious medical implication. Biofilms accumulate most easily on damaged tissue