Primitive earth atmosphere consisted of H₂O, NH₃, H₂ and

The theory of catastrophism was given by

Coacervates were experimentally produced by

Which of the following were the first living form?

Every organism has an internal vital force. This theory of evolution was called

The theory of 'use and disuse' of organs was given by

The term 'living fossil' is applicable to

The term evolution in biology means that

The belief that life originate from non-living matter is known as

The concept of evolution was given by