Answer:
The term 'mega' represent 'large'. Thus, megadiversity means a large number of species are present in the ecosystem. As India is rich in the diversity of animals and plants, India is called a mega diversity centre.India is one of the recognized mega-diverse countries of the world, harbouring nearly 7-8% of the recorded species of the world, and representing 4 of the 34 globally identified biodiversity hotspots (Himalaya, Indo-Burma, Western Ghats and Sri Lanka, Sundaland).
Explanation:
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