Bacteria can live in hotter and colder temperatures than humans, but they do best in a warm, moist, protein-rich environment that is pH neutral or low acid. Read more about Lesson 1e - What conditions encourage bacteria to grow?
Microorganisms are everywhere. You may not see, taste, or smell them, but they hide on your body, in the air, on kitchen counters and utensils, and in food. The main microorganisms are viruses, parasites, fungi and bacteria. Read more about Lesson 1c - Why are microorganisms important?