India has only 2·4% of the world's land area but its share of the global species diversity is:
(i) How does alien species invasion cause a decline in biodiversity? Explain. How have the following contributed to biodiversity loss? I. Nile Perch II. Lantana and Eichhornia III. Clarias gariepinus (ii) Why have certain regions been declared as biodiversity hotspots by environmentalists of the world? Name any two such regions in India.
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