All biodiversity hotspots put together cover about how much percent of the earth's land area ?

Options

A. `10%`
B. `20%`
C. `2%`
D. `0.2%`

Answer

**Step-by-Step Solution:**

1. **Understanding Biodiversity Hotspots**:
- A biodiversity hotspot is defined as a region that has lost at least 70% of its natural vegetation and is rich in endemic species. This means it is a critical area for conservation due to the significant loss of biodiversity.

2. **Identifying the Number of Hotspots**:
- Globally, there are 36 recognized biodiversity hotspots. These areas are crucial for maintaining global biodiversity.

3. **Biodiversity Hotspots in India**:
- In India, there are four major biodiversity hotspots:
- The Himalayas
- Indo-Burma
- Western Ghats
- Sundaland

4. **Percentage Coverage of Biodiversity Hotspots**:
- When considering the total land area of Earth, the combined area of all biodiversity hotspots covers approximately 2% of the Earth's land area.

5. **Conclusion**:
- Therefore, the correct answer to the question is that all biodiversity hotspots together cover about 2% of the Earth's land area.

**Final Answer**: Approximately 2% of the Earth's land area.

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