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NTA Abhyas NEET2020BotanyEcosystemPractice

More conservative and scientifically sound estimate made by Robert May places the global species diversity at about

Options

  1. A1.5 million
  2. B7 million
  3. C1.7 million
  4. D17 million

Correct answer

B. 7 million

Step-by-step solution

A more conservative and scientifically sound estimate by Robert May, places the global species diversity at about 7 million. More than 70% of all the species recorded are animals, while plants comprise no more than 22% of the total. Among animals, insects are most species rich-taxonomic group, making about 70% of the total.

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