Enlist the main characteristics of desert biome.

Explanation

### Step-by-Step Text Solution:

1. **Definition of Biome**: A biome is a naturally occurring community of flora (plants) and fauna (animals) that share a specific environment characterized by distinct vegetation, climate, soil, and temperature.

2. **Water Scarcity**: The desert biome is characterized by a significant lack of water, with annual rainfall typically less than 50 cm. This scarcity of water is a defining feature of deserts.

3. **Extreme Temperatures**: Deserts experience extreme temperature variations. During the day, temperatures can be very high, while at night, they can drop significantly, leading to cold conditions.

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