Why certain regions have been declared as biodiversity "hot spots" by environmentalists of the world? Name any two "hot spot" regions of India.
Biodiversity refers to the variety and variability among living organism and their classical complexes in which they occur. Hotspot of biodiversity are the areas which have a high density of biodiversity or megadiversity which are the most threatened points. All over the world, 25 terrestrial hotspots have been identified for the conservation of biodiversity. Out of these 15 hotspots have the tropical forest, 5 acres and Mediterranean time zones and 9 hotspots are present in tropics. Out of 25 hotspots of the world tour found in India. These are the Western Ghats and the eastern Himalayas.