"the force behind evolution"
There is no force behind evolution. I once accidently added the wrong sauce to my sphagetti bolognese and hey presto! -I had created a really tasty dish, much better than the bolognese. I now continue to make that dish. That's evolution, accidental trial and error by nature. Take an atom out of the DNA over here because of radiation, it bonds another one. It works -it gets passed on. It doesn't work -it doesn't. I am astounded to learn that you don't know what evolution is. Start reading.