Temperature ● Psychrophilic forms嗜冷菌(15-20℃) Mesophilic forms嗜温菌(30-37℃) include all human pathogens and opportunists. ● Thermophilic forms嗜热菌(50-60℃)Temperature ⚫ Psychrophilic forms 嗜冷菌 (15-20℃) ⚫ Mesophilic forms 嗜温菌（30-37℃）include all human pathogens and opportunists. ⚫ Thermophilic forms 嗜热菌（50-60℃）