NEET BIOLOGY

ECOLOGY

BIODIVERSITY AND ITS CONSERVATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Events when extinction rates far exceed the normal background rate
A
Background Extinction
B
Mass Extinction
C
General Extinction
D
None of the above
Explanation: 

Detailed explanation-1: -What causes mass extinctions? Past mass extinctions were caused by extreme temperature changes, rising or falling sea levels and catastrophic, one-off events like a huge volcano erupting or an asteroid hitting Earth.

Detailed explanation-2: -Modern rates of vertebrate extinction were much higher than a background extinction rate of 2 E/MSY.

There is 1 question to complete.