Natural Selection
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Natural selection by definition is the process in which organisms that have better adapted to their environment are more likely to survive and pass on their genetic traits while organisms that adapt more poorly tend to be eliminated by failing to pass on their genetic traits (Valentine 2). It's a process based on deductive logic of how species pass on traits from generation to generation. Natural selection is a known process behind species adapting that it is unnecessary to prove.
Traits that are adaptively superior and help the organism to survive more efficiently are the basis behind natural selection. If an organism that inherits a trait that helps it to survive, while another organism that inherits a trait that is less helpful in its survival, the organism with the stronger trait is more likely to live to reproduce and pass along the trait. The organism with the less helpful trait has a higher chance of elimination before it has a chance to pass on its own traits. Over time, the organisms with the stronger trait will become supernumerary. The organisms of the weaker trait will become increasingly infrequent due to their failure to pass along their genetic traits before their own elimination (Britannica 1-2).
Charles Darwin, the man credited with the theory of evolution, came up with his hypothesis by applying Thomas Roberts Malthus's theory that human populations grow at a faster rate of food production and must be kept in check by population controllers. According to Darwin's theory, the offspring of all species compete for survival...