What accounts for the greater ecological diversity of India ?

Explanation

### Step-by-Step Solution:

1. **Understanding Ecological Diversity**: Ecological diversity refers to the variety of ecosystems within a particular area. It encompasses the different habitats, communities, and ecological processes.

2. **Geographical Variations**: India is characterized by a wide range of geographical features, which contribute significantly to its ecological diversity. These variations include:
- **Deserts**: Regions like the Thar Desert have unique ecosystems adapted to arid conditions.
- **Alpine Regions**: The colder regions, particularly in the Himalayas, support distinct alpine ecosystems with specialized flora and fauna.
- **Rainforests**: The Western Ghats and Northeast India are home to tropical rainforests, which are rich in biodiversity.
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