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Evolution In Charles Darwin's Theory Of Natural Selection

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Evolution is change over time by 7 evidence of evolution, survival of fittest, and physical characteristics .

Evolution is a theory of natural selection by Charles Darwin which is change over time . Darwin has published a book called “On the Origin of Species” in 1859 (1) . (2) It took Charles 25 years so the book could final be perfect to publish. Many people have wondered how did Charles found evidence for Evolution . The total amount that Charles has found is 7 types of evidence . The 1st evidence is Fossil Records , with this evidence you can compare the fossils from youngest to oldest in layers of rock . The 2nd evidence is Homologous structure which the evidence has same structure, but different function . Homologous structure is like a cat’s leg and …show more content…

The 4th evidence is Vestigial Organs which serves no useful function in the organism . Human parts that we don’t use would be the appendix, hair in our body, and goose bumps . The 5th evidence is Embryology which is similar in early development. For example a mother having a baby in the stomach and a dolphin having a baby dolphin , they both look alike when they develop . The 6th evidence is Biogeography this means a distribution of species in different ecosystem . An example is two fossils found in a different continent but they likely in common . The last evidence is DNA Comparison which means comparing DNA of organism for similarities to determine how close they are. An example would be Cladogram showing different types of species but are the same because of the DNA . All these evidence shows support about Charles Darwin being right for what he is saying and showing facts why he is correct . Charles also made this prediction about animals having which is “survival of the fittest” . What did Charles meant about “ survival of the fittest” ? , he meant that animals have some type of thing that helps

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What Charles discovered went against the teaching of the church. Most of the contemporaries of the time believed in divine creation as well. This is why Darwin had to subtly poke at natural selection in his works and did not publish his famous book On the Origin of Species by means of Natural Selection for decades after his voyage on the HMS Beagle. Today, new bold claims in science are not as critiqued as hard at they were in the

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In addition, scientists use the homologous structure as evidence for evolution by using structures with different appearances and functions that derived from the same body parts in a common ancestor. Furthermore, natural selection is evidence for evolution because for example, when Darwin collected birds they were a closely related group of distinct species, but the different beak shapes were related to food gathering. Artificial selection is another piece of evidence for evolution in which operates by favoring individuals with certain phenotypic traits allowing them to reproduce and pass their genes to the next generation. Overall many biologists accepted Darwin’s theories but there are some objections such as how evolution is not demonstrated, no fossil intermediates, the intelligent design argument, evolution violating the second law of thermodynamics, proteins are too improbable, the irreducible complexity argument, and how natural selection does not imply

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There are also homologous structures, where scientists can see that organisms have similar bone structures and that it is more likely that they evolved from the same thing, than that they evolved separately and had the same kind of hand structure. In the fossil record, scientists can see how organisms could have evolved because as scientists look further back scientists can see that an organism was different in the past and has changed to adapt to its environment. As scientists look to older fossils scientists can see that they are not as complex as modern organisms so there must have been some time when they began to become more complex. When scientists look at early humans scientists can see that they share traits with us like they could walk on two legs

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More than that, the more closely related species are, the more similar their DNA make-up is. For example, the human and chimpanzee DNA make-up is much more a similar than that of a Blue Whale and a Golden Eagle. Now of course, relatedness can still not be proved here and an inference is required to establish that DNA similarities are the result of common descent and evolution. So, the question really is, how big of an inference is this? Without looking at other pieces of evidence, this is clearly a big inference.

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