It is difficult for the survival of plants and animals in hot and dry desert in general . Why ?

Explanation

### Step-by-Step Solution:

1. **Understanding the Environment**: Deserts are characterized by high temperatures and low humidity. The conditions are extreme, making it challenging for most life forms to thrive.

2. **High Temperatures**: In hot and dry deserts, temperatures can be extremely high throughout the year. This consistent heat can lead to stress for both plants and animals, as they may struggle to maintain their body temperatures.

3. **Low Water Availability**: Deserts receive very little rainfall, often less than 250 mm annually. This scarcity of water is a critical factor that limits the survival of plants and animals, as both require water for various physiological processes.

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