What do you understand by biosphere reserve?

Explanation

### Step-by-Step Text Solution

1. **Definition of Biosphere Reserve**: A biosphere reserve is a large area designated for the conservation of wildlife, flora, and fauna. It aims to protect the biodiversity of a region while promoting sustainable development.

2. **Purpose of Biosphere Reserves**: The primary purpose of biosphere reserves is to conserve wildlife and their habitats. They also aim to protect various species of plants and animals and support the livelihoods of local tribal communities.

3. **Structure of Biosphere Reserves**: Biosphere reserves are divided into three distinct zones:
- **Core Zone**: This is the innermost area where wildlife is protected, and human activity is highly restricted. It serves as a natural habitat for various species.
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