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Biology · BIODIVERSITY AND CONSERVATION

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In the 'rivet popper hypothesis' proposed by Paul Ehrlich, removal of rivets that hold the wings of an airplane corresponds to:

  1. Loss of a species of low ecological significance
  2. Extinction of a key species that drives major ecosystem functions
  3. Extinction of an invasive alien species
  4. Immigration of a superior competing organism

Correct answer · Option 2

Extinction of a key species that drives major ecosystem functions

Explanation

Rivets on the wings represent key species that drive major ecosystem functions; their loss poses a direct and serious threat to ecosystem integrity.

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