His theory of evolution is “the widely held idea that all life is related and descends from a common ancestor: birds, bananas, fish, and flowers , all related. Darwin's general theory presupposes the development of life from non-life and emphasizes a purely naturalistic (undirected) descent with modifications." That is, complex creatures evolve from more simplistic ancestors, naturally over time. Simply put, when random genetic mutations occur within an organism's genetic code, the beneficial mutations are preserved because they aid survival, a process known as “natural shedding.” These beneficial mutations are passed on to the next generation. “ Over time, beneficial mutations accumulate and the result is a completely different organism (not just a variation of the original, but a completely different organism