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According to IUCN (2004), roughly how many species have been described so far?
AAbout 70,000
BAbout 7 lakh
COver 1.5 million
DOver 20 million
Answer & Solution
Correct answer: C. Over 1.5 million
IUCN placed the number of plant and animal species described so far at slightly more than 1.5 million.
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