What is homeostasis?

Explanation

### Step-by-Step Solution:

1. **Definition of Homeostasis**: Homeostasis refers to the ability of an organism to maintain a stable and constant internal environment despite changes in external conditions.

2. **Importance of Homeostasis**: This process is crucial for the survival of organisms as it allows them to function optimally. It helps in regulating various physiological parameters such as temperature, pH, and osmotic concentration.

3. **Examples of Homeostasis**:
- **Body Temperature**: Warm-blooded animals, like birds and mammals, maintain a constant body temperature regardless of the external temperature.
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