Evolution is regarded as

  • A
    Theory
  • B
    Estabilished fact
  • C
    Principle
  • D
    Hypothesis

Similar Questions

Big-Bang theory attempts to explain the origin of

Following are the two statements regarding the origin of life.

$(A)$ The earliest organisms that appeared on the earth were non­green and presumably anaerobes.

$(B)$ The first autotrophic organisms were the chemoautotrophs that never released oxygen.Of the above statements which one of the following options is correct?

  • [NEET 2016]

Chemical theory of origin of life was given by

It is still a favorite idea for some astronomers.

Write an explanatory note on origin of life.