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NEETBotanyBiodiversity and its Conservation

How do ecologists estimate the total number of species present in the world?

Options

  1. Aby counting each and every species one by one
  2. Bthrough a statistical comparison between the species
  3. Cby collecting all species at one place
  4. Dthe method is unknown

Correct answer

B. through a statistical comparison between the species

Step-by-step solution

Researchers estimate the total number of species on earth through a statistical comparison between the species richness of a well-studied group.

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