<prompt> Thermophile bacteria grow at -20deg C20-40deg C40-60deg C60-8CTC  <response>: Ans. is d i.e., 60-80deg C Temperature requirement of bacteriao Bacteria vary in their requirements of temprature for growth.Psvchrophilic bacteria grow best at temperature below 20degCThermophilic bacteria grow best between 55-80degCMesophilic bacteria grow best between 25-40degC 