For a long time it was believed that life came out of decaying and rotting matter like straw mud, etc.
This was the theory of
Catastrophism
Abiogenesis
Panspermia
Chemogeny
Origin of Species'' was published in
Organisms which obtain energy by the oxidation of reduced inorganic compounds are called
Photosynthetic bacteria evolved on earth about ....... million years ago
Which of the following is true for 'Homo sapiens'
Which one of the following gas was not present in free form at the time life originated on earth?