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NEETBotanyBiodiversity and its Conservation

What is the total number of plant and animal species described according to the International Union for Conservation of Nature and Natural Resources (IUCN)?

Options

  1. A1.5 million
  2. B20 million
  3. C50 million
  4. D7 million

Correct answer

A. 1.5 million

Step-by-step solution

Since there are published records of all the species discovered and named, we know how many species in all have been recorded so far, but it is not easy to answer the question of how many species there are on earth. According to the International Union for Conservation of Nature and Natural Resources (IUCN) (2004), the total number of plant and animal species described so far is slightly more than 1.5 million , but we have no clear idea of how many species are yet to be discovered and described. Estimates vary wide

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