Is there evolutionary reasons for reproduction?

Hi allI have been studying evolution recently with more attention. There is one question that I couldn't find an answer for. I hope somebody here can enlighten me.The question is in all texts of evolution life correlates to reproduction and reproduction is a key driving force in the evolution process. But nobody actually said why is that the case?! I mean, reproduction is very energy consuming process. Why would a cell is programmed to reproduce itself from evolutionary perspective? Also if you can elaborate on the origins as well. Like if we assume the life came from organic molecules in the earth atmosphere or in a primordial soup, why on earth should a molecule suddenly decide to reproduce or even forced to reproduce? I have read wikipedia about selfish gene. It says Dawkin's claim that a reproducing molecule have an advantage over other molecules. I don't understand where is this coming from. What I think is that whist reproduction can increase the density of the molecule in a solution but also soon the resources will finish and the process ends there. Much like when a fire starts. It extends as far as it has fuel and air to burn and then stops. I don't understand what is the advantage here?!Regards
MrQEdited by MrQ, : Title changed

"An Evolution question" is a pretty poor topic title. I would like something that helps define the topic theme.Is "Why is reproduction is a key driving force in the evolution process?" the evolution question you are looking for an answer for? If so, I'd like to make that the topic title.Adminnemooseus

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HiSorry about that. I am new here. I changed the topic. I hope it is ok.Regards
MrQ

Thread copied to the Are there evolutionary reasons for reproduction? thread in the Biological Evolution forum, this copy of the thread has been closed.