How many mass extinctions have occurred since the origin and diversification of life on Earth?(a) 2(b) 8(c) 3(d) 5The question was posed to me in semester exam.My doubt stems from Loss of Biodiversity topic in division Biodiversity and Conservation of Biology – Class 12

How many mass extinctions have occurred since the origin and diversifi

1.	How many mass extinctions have occurred since the origin and diversification of life on Earth?(a) 2(b) 8(c) 3(d) 5The question was posed to me in semester exam.My doubt stems from Loss of Biodiversity topic in division Biodiversity and Conservation of Biology – Class 12
Answer» Right answer is (d) 5 The best explanation: The Earth went through five episodes of MASS extinction of SPECIES since the origin and diversification of LIFE (>3 BILLION years). Every mass extinction has led to more than 80% loss of species on Earth.

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