The evolution of populations is a very complex process. Although individuals are selected by nature, they are unable to evolve during their lifetimes; Instead only populations are able to evolve once certain heritable variations become more common. In his book The Origin of Species, Charles Darwin presented his theories about evolution and natural selection. Although his theory on evolution became excepted, Darwin was unable to convince people about natural selection. He lacked the genetic information about traits, that Grego
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