We should care about evolution according to Shubin because it explains where and how we humans came about. It explains why we have the characteristics we do today. At this point common descent is pretty much fact since the evidence is so conclusive. The sooner we understand that the better, because it is helping us understand basic illnesses humans have today. After reading the book, I started to realize why my body looks the way it looks. I understood that we are all the same inside; every species out there. We as a whole began from a similar line. As I perceive it, being human can be bundled into a straightforward definition: a species different from the rest. In spite of the fact that we all came from from a similar place, being diverse makes us human. Every last one of us has our disparities. We can do things that others can’t, and that is the thing that makes us unique.
Scientific answers start with a theory, finishing with tests that are performed to help the speculation made. This would then be able to help a hypothesis. Different methods for learning, however, don’t need to be tried to be valid; we simply realize that they are valid. Evolutionary biology is a science because we have hypotheses that relate with the idea of evolution. Through the blend of sub-atomic and fossil information, we pick up an even better comprehension to the ideas of evolution and change.
I somewhat agree with that. We can take a look at a few cases in the natural world to help our speculations of what is “ordinary” or moral human behavior; however, we can’t do that every single time. There will be instances when people will take up other practices that are not found in the regular world. The creator and his coworkers chose to center on 375 million year old ancient rocks on their trek for fossils because they accepted that the amphibians, which were quite distinctive from the fish, were recognized inside the 365 million year old rocks. They researched sedimentary rocks since it was shown as the foremost evidence to finding fossils. Shubin and his colleagues looked for fossils on Ellesmere Island in northern Canada in 2004 because of its lack of human population and wealth of trees encompassing the area.
The fossil Tiktaalik enveloped characteristics of amphibians and land animals. Tiktaalik had notable features of fish, such as scales, fins, a bendable neck, flat head, and a bone structure that acted as legs of land animals. This particular fossil affirms a major speculation of paleontology since it was found precisely where it was supposed to be: in 375 million year old rock.
Neil Shubin believes that Tiktaalik says something about human anatomy because he thinks that the structure of Tiktaalik is comparable to the makeup of a human body. As Shubin demonstrates his point through various points of evidence like Tiktaalik’s fin bones closely resembling our arms, he states that the evolution of people can also be found through investigation of the evolution of Tiktaalik or a comparative fossil. The title “Inner Fish” suits this relationship between fish and human perfectly.The “pattern” that Owen found fundamentally demonstrated that the areas of the bones within the arm were similar: the humerus, span, ulna, few wrist bones, and finally, the digits. He found that this design could also be found within the human legs.
Charles Darwin had a hypothesis, basically saying that the human body’s arm and a bat’s wing have the same hard properties since they once shared a common predecessor. Darwin’s hypothesis clarifies the perceptions that Sir Richard Owen made from the patterns he found.
The more extensive examination of Tiktaalik’s fins uncovered that it had wrists, comparable to a human body. Tiktaalik’s wrists permitted it to move to more shallow areas of water. Within the 1950s and 1960s, biologists Edgar Zwilling and John Saunders performed a test by splitting the chick’s embryos and changing the positions of the tissues to see what how it would influence the chick’s growth pattern. Zwilling and Saunders found that two small pieces of tissue controlled the growth of the chick’s bone design within the limbs. Excluding those particular pieces of tissue altered how its arms progressed.
The hedgehog gene was at first found in fruit flies. It was a gene that enabled every locale of the body to be one of a kind. Scholars examined other creatures for the hedgehog gene; They discovered it in chickens and named it the Sonic hedgehog gene. The hedgehog gene is contained in any animal with limbs. It is essential to have this gene to make appropriate arms and wrists. Researchers have moreover found the hedgehog gene in mice and fish. They realized that utilizing the gene found in mice on a fish would form different outlines of skeletal rods. Teeth make excellent fossils but are “as hard as rocks” since they contain an abundance of hydroxyapatite. The hydroxyapatite makes it harder to rot, permitting it to be the leading portion of the animal that can be preserved.
Shubin tells us that scales, quills, breasts, and teeth all develop from the same location: the skin. Even if they all derive from the lower layers of skin, he says that teeth were made initially, whereas the scales, quills, and breasts were all created after finding the making of teeth.
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