Charles Darwin Natural Selection Theory

647 Words3 Pages
Was Darwin Wrong? Look at the person you are sitting next to, how are you two different? Gender? Skin color? Personality? Height? This list can go on forever, because according to Darwin’s theory of natural selection, individuals in a species show a wide range of variation. This variation is because of differences in their genotype. Take guinea pigs for example, it is hard to find 2 identical guinea pigs with the same color patches, as each and everyone has slight differences in the order of their DNA, which causes variation. Individuals with characteristics most suited to the environment are more likely to survive and reproduce because the genes that allow these individuals to be successful are passed to their offspring. Individuals that are poorly adapted to their environment are less likely to survive and reproduce. This means that their genes are less likely to be passed to the next generation. Given enough time, a species will gradually evolve. Fossils are reliable evidence to support Darwin’s theory. If you look back at the fossils of humans from thousand of years ago, you can see that many phenotype characteristics such as bone structure, size, and height are different to what we are now. By studying fossils, we can see how a species gradually evolve through time and the specific traits that has been passed through, or not been passed through. The only reason why Charles Darwin's theory of evolution was not accepted at his time was because it was totally new. People were shocked that they were branched from older species of animals. During his time, people thought that the reason why animals or other species existed was because it was god’s will. Other people believed in spontaneous birth. This was a belief that living things could be created or born from nothing. Also, most of the people were Christian, and Darwin was threatening the validity of the
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