what are evolution

Evolution is the process of formation of new life form on the earth surface .............experimental evidence of chemical evolution was provided by miller's experiment.............. in which non-cellular biomolecules exist in the form of DNA RNA ..............there are many theories of evolution like.......... lamarck's theory ................which is very simple it states that evolution of life forms occur due to use and disuse of organs ...............then comes the ..........Darwinian theory.......... which is based on............ branching Descent.............. that is ...........adaptive radiation ............and........... natural selection ............example of natural selection can be seen from industrial melanism ..........last is mutation. theory of evolution was put forward by Hugo De vries .........based on his work on evening Primrose .......then Hardy weinberg principle and evolution of man....??????