.....is meant for the conservation biodiversity in their natural habitat.

Options

A. Wildlife sanctuary
B. Zoological garden
C. Botanical garden
D. Dams

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a term that refers to the conservation of biodiversity in its natural habitat.

2. **Identifying Key Terms**: The key term here is "conservation of biodiversity" and "natural habitat".

3. **Types of Conservation**: There are two main types of conservation: in-situ (on-site) and ex-situ (off-site). In-situ conservation refers to the conservation of species in their natural habitats, while ex-situ conservation involves preserving species outside their natural habitats.

4. **Examples of In-situ Conservation**: The examples of in-situ conservation include wildlife sanctuaries, national parks, and biosphere reserves. These areas are designated to protect the natural environment and the species that inhabit them.

5. **Conclusion**: Based on the understanding of in-situ conservation and the examples provided, the correct answer to fill in the blank is "wildlife sanctuaries".

**Final Answer**: Wildlife sanctuaries is meant for the conservation of biodiversity in their natural habitat.

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