The Primordial Soup Theory suggest that life began in a pond or ocean as a result of the combination of chemicals from the atmosphere and some form of energy to make amino acids, the building blocks of proteins, which would then evolve into all the species.
The Primordial Soup Theory states that Life began in a warm pond/ocean from a combination of chemicals that forms amino acids, which then make proteins. This is suppose to happen at least 3.8 billion to 3.55 billion years ago.
The Russian Chemist A.I. Oparin and English Geneticist J.B.S. Haldane first conceived of this idea. Both developed this theory independently in 1920.
In this theory, the basic building blocks of life came from simple molecule which formed in the atmosphere (w/o oxygen). This was then energized by lightning and the rain from the atmosphere created the "organic soup". The first organisms would have to be simple heterotrophs in order to survive by consuming other organisms for energy before means of photosynthesis. They would become autotrophs by mutation.
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