Biosphere reserves are more important than the national parks and the wildlife sanctuaries. Why?

Explanation

### Step-by-Step Solution:

1. **Definition of Biosphere Reserves**:
- A biosphere reserve is a designated area that aims to conserve wildlife and biodiversity while allowing for regulated human activities. It serves as a space for both conservation and sustainable use of natural resources.

2. **Zonation of Biosphere Reserves**:
- Biosphere reserves are divided into three distinct zones:
- **Core Zone**: This area is strictly protected, and no human activities are allowed. It serves as a habitat for wildlife and a site for scientific research.
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