name the theory which explained the origin of the life
Answers
Answer:
spontaneous generation : until the early 19th century many people believed in the regular spontaneous generation of life from non living matter this is spontaneous generation.
Darwin : in a letter to Joseph Dalton hooker on 1871 Charles Darwin proposed a natural process for origin of life he suggest thattheoriginal spark of life may have began in a " warm little pond with all sorts of ammonia and phosphoric salts , lights , electricity , heat etc. a protein compound was then chemically formed ready to undergo still more complex changes " .
Haldane and oparin : no real progress was made until 1924 when Alexander oparin reasoned that atmospheric oxygen prevented the synthesis of organic molecules they r necessary to building blocks fr evolution of life . in his the origin of life, oparin argued that a " primordial soup " of organic molecules could be created in an oxygenless atmosphere through the action of sunlight this would combine in every more complex fashions until they formed droplets these droplets would " "grow " by fusion with other droplets and " reproduce " through fission into daughter droplets , and so have a primitive metabolism in which those factors which promote " cell integrity" survive , those that do not become extinct . many modern theories of the origin of life still take oparin's ideas as a starting point
The origin of life on earth is a scientific problem which is not solved yet ......