Among ‘The Evil Quartet’, which one is considered the most important cause driving extinction of species?

Among ‘The Evil Quartet’, which one is considered the most important cause driving extinction of species?

  1. Co-extinctions
  2. Habitat loss and fragmentation
  3. Over exploitation for economic gain
  4. Alien species invasions
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The correct option is 2) Habitat loss and fragmentation. Among ‘The Evil Quartet’, Habitat loss and fragmentation is considered the most important cause driving extinction of species (plants and animals).

The tropical rainforests serve as the prime illustration of habitat depletion, showcasing an incredibly drastic situation. Previously occupying a vast expanse, accounting for over 14% of the Earth’s land surface, these rainforests have dwindled to a mere fraction, now encompassing less than 6% of the land surface.

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