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Class 12BiologyBiodiversity and ConservationHow many species are there on Earth and in India ?
Medium

How do scientists extrapolate the total number of species on Earth?

  • A
    By counting every individual organism on Earth.
  • B
    By using statistical comparisons of species richness in well-studied groups and extrapolating to others.
  • C
    By analyzing satellite imagery of global habitats.
  • D
    By relying solely on historical fossil records.
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Class 12 Questions

Class 12

Biology Questions

Chapter

Biodiversity and Conservation

Subtopic

How many species are there on Earth and in India ?

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