Evolution

The important gas which was absent in the primitive atmosphere of earth was

The earth originated about $\_\_\_\_$ ago.

Which of the following was an early theory proposed to explain the spontaneous origin of life from non-living matter?

According to the Big Bang theory, the titanic explosion (Big Bang) occurred approximately $\_\_\_\_$ years ago.

The term coacervates was used for the first time by

Archaeopteryx is considered as

Most of the fossils are found in

Panspermia theory is also known as

The book 'Origin of Species' was published by

The origin of life on earth from abiotic materials is called

According to Darwin, evolution is

Sudden changes taking place in the genetic material of the organisms is known as

Theory of spontaneous generation was disproved by

The vestigial organ present in human beings is/are

Which fossil man has been known from Siwalik hills in India?