Q. Disappearance of dionosaurs and a number of other organism is called
A) Natural extinction
B) Anthropogenic extinction
C) K-T boundary
D) Extinction vertex
Explanation
Mass extinction occurred between cretaceous and tertiary over 60 million years ago when dionosaurs and a number of other organisms disappeared. It is also called K-T boundary
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.