8) 6th mass extinction

Question 1

What is Mass extinction ?

Answer 1

It refers to a substantial increase in the degree of extinction or when Earth loses more than 3 quarters (75%) of its species in a geologically short period of time

Question 2

What has happened in the earlier 5 mass extinctions ?

Answer 2

Destruction of 70-95% of the species of plants, animals and microorganisms . These were caused by Catastrophic alterations such as Massive volcanic eruptions, Depletion of oceanic oxygen, Asteroid collision etc

Question 3

What is 6th mass extinction referred as ?

Answer 3

Anthropocene or Holocene extinction (ongoing)

Question 4

How is 6th mass extinction caused ?

Answer 4

Human caused and is more immediate than Climate destruction. The rate of extinction is also estimated 100-1000 times higher than natural background rates