Question

What evidence do we have for the origin of life from inanimate matter?​

Answer 1

Answer:

The evidence for the origin of life from inanimate matter, was provided through an experiment, conducted in 1953, by Stanley L. Miller and Harold C. Urey. In experiment, they assembled an atmosphere containing molecules like ammonia, methane and hydrogen sulphide, but no oxygen, over water.

Answer 2

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• A British scientist, J.B.S. Haldane, suggested that life originate from simple inorganic molecules. He believes that when the earth was formed it was a hot gaseous mass containing element such as nitrogen, oxygen, carbon, hydrogen, etc. These elements combine to form molecules like water, carbon dioxide, methane, ammonia, etc. Staney L. Miller and Harold C. Urey provided evidence regarding origin of life from inanimate matter. They assembled an atmosphere similar to that existed on earth early. The atmosphere at molecules like ammonia, methane, hydgrogen sulphide and water, but no oxygen. The mixture was just maintained at a temperature just below 100°C and sparks were passed through the mixture of gases. At the end of a week, 15% carbon from methane had been converted to simple compounds of carbon like amino acids which make up protein molecules. These organic molecules are assemble to form protein molecules that gave rise to life on earth. The experiment provides the evidence that the life originated from inanimate matter like inorganic molecules.