Microorganisms are classified as psychrophiles, mesophiles. thermophiles, and extremethemophiles based on their optimal growth temperature. Temperature effect: Extreme 1. Psychrophile (0-20C Thermophile 2. Mesophile (45-15C 3. Thermophile (40-700C) 4. Hyperthermophile g (65-95 5. Extrem hyper- thermophile (80-120C) 01028030405060060 termperature(C)Microorganisms are classified as psychrophiles, mesophiles. thermophiles, and extremethemophiles based on their optimal growth temperature. Temperature effect: 1. Psychrophile (0-20oC) 2. Mesophile (45-15oC) 3. Thermophile (40-70oC) 4. Hyperthermophile (65-95oC) 5. Extrem hyper￾thermophile (80-120oC)