Evolution is the complexity of processes by which living organisms established on earth and have been expanded and modified through theorized changes in form and function. Human evolution is the biological and cultural development of the species Homo sapiens sapiens, or human beings. Humans evolved from apes because of their similarities. This can be shown in the evidence that humans had a decrease in the size of the face and teeth that evolved. Early humans are classified in ten different types of families.
Since the discoveries of Charles Darwin and other nineteenth century explorers, humans have created an analogy of the evolution of our own species. This view of our evolution is often represented by an all-too-familiar branching tree. Recent studies, however, suggest that this interpretation should be replaced with a map of human derivation in the form of an interwoven “tapestry.” These lineages would come together in kinships over time (Finlayson). Two recent studies have proved that Neanderthal DNA is still present in modern human keratin, the protein that helps produce skin, hair, and nails (Yong). Today, there is much uncertainty in the work of anthropologists.
According to Relethford, Hominin is a tribe that comprises of humans and their closest ancestor. Hominin family has shown some resemblances with the evidences collected from fossil records as well as the evolutionary processes to the mordern humans. This article will try to describe the evolution of homonin tribe from the time period of Homo habilis to Mordern Homo sapiens. It will emphasis on the cranial capacity “skull proportions”, tools used and the cultural behavior. Homo habilis species was first found in East Africa at the Olduvai George site, approximately 1.9- 1.4 million years ago (Spoor et al.
The find was named Sahelanthropus tchadensis and is nicknamed “Toumai” which means “hope of life” in an African language. The fossil find is an almost complete skull, some teeth, and a few fragments of the lower jaw. (Bower 2002) This fossil find is completely surprising and amazing. The remains that were found represent the earliest known member in the line of human evolution. This find could be the beginning of many which could completely change our current ideas of human evolution.
In R. Robinson (Ed. ), Biology. New York: Macmillan Reference USA. Retrieved from http://ic.galegroup.com/ic/scic/ReferenceDetailsPage/ReferenceDetailsWindow Human Evolution. (2010).
This theory claims that humans, through gradual continuous changes, have evolved from the ape family. These gradual continuous changes arose from the need for species to better adapt to their environment. Since mutation is a random process, the changes can either be beneficial, unfavorable, or have no use at all. This theory is largely supported by the findings of paleontology, anthropology, and genetics and involves the process of natural selection. Fossil records have been used as empirical evidence to support the theory and have concluded that Homo sapiens share “clear anatomical, genetic, and historical relationships to other primates.” This trend of evolution is never ending and continues to occur in all life forms.
Thus leading to the evolution of mankind. But man didn't just evolve from chimpanzees. There were a lot of scientific processes and different events that led up to final evolution of mankind. But what does it mean humans evolved from chimpanzees? Why is the human evolution such a small speck in the evolution graph of the evolution of the whole earth?
Most evolutionists believe that humans were not descended from monkeys. Instead, they both share a common ancestor that eventually split into different species and have been expanded and modified through theorized changes in form and function. However creationists believe that “God created mankind in his own image, in the image of God he created them; male and female he created them, and he made it good.” (Genesis 1:27-28) In this essay I will be explaining some of the different questions about human evolution and what creationists and evolutionists think about them. The first major question about human evolution is; have humans evolved from an ape-like creatures? Most evolutionists believe that humans shared a common ancestor.
They argue that early modern humans show some traits consistent with a ... ... middle of paper ... ...iation in modern human populations suggests that our origins may reflect a relatively small founding population for Homo sapiens. Analysis of mtDNA (Rogers and Harpending 1992) supports the view that a small population of Homo sapiens, numbering perhaps only 10,000 to 50,000 people, left Africa somewhere between 50,000 and 100,000 years ago. There is another similarity between human populations standing in strong contrast to the condition seen in our closest living relatives, the chimpanzees. In fact, there is significantly more genetic variation between two individual chimpanzees drawn from the same population than there is between two humans drawn randomly from a single population. Furthermore, genetic variation between populations of chimpanzees is enormously greater than differences between European, Asian and African human populations (Cavalli-Sforza, 2000).
In conclusion, the first problem of this claim is not knowing that humans are in fact apes. Perhaps whoever made the claim implied modern day apes, but that is not clear. Either way humans did not evolve from gorillas and the reason that different species of apes coexist today is because of natural selection in different environments. Like the finches, all apes share a common ancestor, but through millions of years of evolution, new species have been created.