Question:

Western Ghats have come under "Hot spot" category because of

Updated On: Jun 21, 2022
  • High elevation
  • Tropical climate
  • Evergreen forest
  • High endemism
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The Correct Option is D

Solution and Explanation

Hot spots are the areas with high density of biodiversity or megadiversity which are also the most threatened ones. Ecologically hot spots are determined by four factors:
(i) Number of species/species diversity.
(ii) Degree of endernism.
(iii) Degree of threat to habitat due to its degradation and fragmentation.
(iv) Degree of exploitation.
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Concepts Used:

Biodiversity and Conservation

The term ‘biodiversity’ is derived from the two words- ‘bios' which means life and ‘diversity’ i.e, differentiation or variation. Edward Wilson, the sociobiologist was the first to popularise the term ‘biodiversity’ in the year 1992. The term implies the occurrence of various plants and animals along with their variants such as biotypes, ecotypes and genes on earth. In our biosphere, the immense diversity or heterogeneity remains not only at the species level but also, at every level of biological organization that ranges from macromolecules in the cells to biomes.

Biodiversity and Conservation is a topic covered under the fifteenth chapter and Unit 5 of NCERT class 12 biology.