Darwin's Theory Of Evolution And Natural Selection

Evolution is a change that happens overtime to a species, the first person to suggest this theory was Charles Darwin. A biologist who spent most his life studying the evolution of several species in this planet. A biologist who revolutionised the world's perspective of the connection between species all over the world. He made a discovery that changed new things in scientific field by taking on evolution and natural selection. The reason for evolution is for organisms to adapt to their current environment and able to repopulate. “Over our evolutionary history, humans have faced many adaptive problems that needed to be solved in order for them to survive and reproduce.” (4) Although there have been skeptics of evolution, there has been profound

With our DNA we are able to see the closeness relatedness of species. “Genetics revolves around the study of genes, which are the basic molecular units of heredity that determine which characteristics parents pass on to their children.” (3) If we could be able to date back to our ancestors, we would eventually find a connection between the origins. For example, the theory that humans share an amount of DNA with primates. “Genes carry vital information and instructions that control development and determine what traits, including characteristics… a person will have.” (3) Studying these genes shows resemblance in our chromosomes which shows our relations to each other. Many have misinterpreted this information, and believe that we evolutionized directly from primates but it is not like that. We derived from a common ancestor that we both share. At some point our ancestor evolutionized over a long period of time and dispatched into a different species. DNA comparison is one of the many evidences we have to prove evolutions

Fossil records go hand in hand with Biogeography (The distribution of species in different ecosystems). They go hand in hand because, well fossil records are able to show the age of themselves and when being compared, there is a notice of change in them and you can see where the evolution, a very slow process, takes place. For example the evolution of a whale, by gathering older fossils and comparing them to a current fossil of a whale, it is whales evolution is noticeable. The nostrils on them keep getting higher to the top of their head and you could see the steps of evolution. Biogeography is when certain species are distributed around the world but are very similar, to prove once again that a common ancestor is being shared. “By techniques such as carbon dating and studying the placement of fossils within the ground, an age can be assigned to the fossil, by placing fossils together based on their ages, gradual changes in form can be identified.” (1) Another example would be that of horses coming from smaller species before them. The way that that was determined was because when they found the older fossils and compared them to a horse, and there were similar bone structures. This ties in with the other factors of evolution. Not only are the species examples of fossil records, but rocks as well. The more layers there are on top of each other the more change has gradually happened over time, and the more the