Do you know what causes the genes of different organisms to evolve and change?

Question: Do you know what causes the genes of different organisms to evolve and change? If you do not, is there anything else you can tell me about the evolution of different organisms?

Asked by Keshawn Ladanian on 8 Mar 2017.

Question: Do you know what causes the genes of different organisms to evolve and change? If you do not, is there anything else you can tell me about the evolution of different organisms?