Evolution is a complex process by which organisms change over time it is a process in which traits

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Evolution is a complex process by which organisms change over time; it is a process in which traits are passed from one generation to the next (Darwin and Beer 1996:108-139). Evolutionists have tried to explain the loss of functions of different organs, for centuries. The two most prominent scientists that studied evolution were Jean-Baptist Lamarck and Charles Darwin. Lamarck’s theory of inheritance of acquired characters and Darwin’s variational evolution were the most important theories that attempted to explain evolution before the discovery of genes during the beginning of the twentieth century. Over two centuries, Lamarck’s theory of inheritance of acquired characters has been the center of controversy. The loss of the…show more content…
His theory was simple, but the impact it had was immense. Darwin’s theory can be summarized in three words: “descent with modification” (Darwin 1996:127). He believed that the changes observed in an organism are not the result of an external influence, but rather, changes that resulted from random events. He proposed that beneficial changes for a given species could be passed through generations and those that were deleterious could be eliminated. Darwin called his theory natural selection (Mills 2004:93-103). From an evolutionary perspective, the human appendix is a derivative of the caecum in our primate ancestors. The vestigiality of the human appendix can be explained through Darwin’s theory based on a beneficial change. The change triggered morphological variations in the human appendix, decreasing its size through millions of years to a mere rudiment as it is today (Mills 2004:105-109). If one considered that the human appendix is a derivative of the primitive herbivorous caecum found in our primate ancestors, Darwin’s theory comes to light as the most accepted explanation of the loss in the functionality of the human appendix. As our ancestors started incorporating meat to their diet, the function of the appendix was less necessary and an unexpected beneficial change- in this case the lost of its function- was passed on generation after generation. Darwin’s theory of evolution is correct, but the missing explanation in his work is the mechanism of inheritance of
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