Question:

Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for:

Updated On: Jun 23, 2024
  • Population explosion
  • Competition
  • Biodiversity loss
  • Natality
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The Correct Option is C

Solution and Explanation

The "Evil Quartet" is a term used to explain the primary drivers behind species extinction. This concept identifies four main factors: overexploitation, habitat loss, continuous species extinction, and the introduction of exotic species.
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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.