Name one anaerobe (anaerobic organisms).

Answer

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks for the name of one anaerobic organism, which is an organism that does not require oxygen for its growth.

2. **Define Anaerobic Organisms**: Anaerobic organisms are those that can survive and thrive in environments devoid of oxygen. They do not need oxygen for their metabolic processes.

3. **Contrast with Aerobic Organisms**: It's helpful to understand the difference between anaerobic and aerobic organisms. Aerobic organisms require oxygen to grow, while anaerobic organisms do not.

4. **Provide an Example**: One common example of an anaerobic organism is yeast. Yeast can perform fermentation, a process that does not require oxygen.

5. **State the Answer**: Therefore, one anaerobic organism is yeast.

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