What is the perspective towards species extinction according to the passage?

What is the perspective towards species extinction according to the passage?
  1. The loss of a few species does not matter
  2. The loss of key species is a more serious threat to the ecosystem
  3. The loss of species does not affect the quality of life
  4. The loss of species does not affect the proper functioning of the ecosystem

Solution

The loss of rivets on the wings (key species that drive major ecosystem functions) is obviously a more serious threat to flight safety than loss of a few rivets on the seats or windows inside the plane.

Asked in: NCERT

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