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Biology · BIODIVERSITY AND CONSERVATION

हिन्दी

In Paul Ehrlich's 'rivet popper hypothesis', the removal of rivets from the wings of an airplane represents:

  1. Loss of a rare species from the ecosystem
  2. Fluctuations in abiotic factors within the habitat
  3. Extinction of a keystone species driving major ecosystem functions
  4. Colonization of invasive alien species into the ecosystem

Correct answer · Option 3

Extinction of a keystone species driving major ecosystem functions

Explanation

In the analogy, rivets on the wings represent key (keystone) species that drive major ecosystem functions, whose loss poses an immediate critical threat.
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