Food as a special microbial ecosystem Heterologous Surface environment biofilm and nata(纳塔) Nutritional provision Biomass and growth rate Population relationships community successionFood as a special microbial ecosystem ◼ Heterologous ◼ Surface environment , biofilm and nata (纳塔) ◼ Nutritional provision ◼ Biomass and growth rate ◼ Population relationships community succession