Biology · BIODIVERSITY AND CONSERVATION
हिन्दीAccording to Robert May's global estimates, what percentage of the total species on Earth have been discovered and described so far if approximately 1.5 million species have been cataloged?
Correct answer · Option 3
About 22%
Explanation
Robert May estimated global species diversity at 7 million. As about 1.5 million species are recorded, (1.5 / 7) * 100 ≈ 22%.