In referring to evolution, the word means various changes. Evolution refers to the fabrication and development of life on earth. "Organic evolution" is the concept that all living beings evolved from simple organisms and have changed throughout the periods of time to create many and various types of species. Organic evolution is better known as the "theory of evolution." There are three main theories of evolution, which are, the early theories proposed by Comte de Buffon, Baron Cuvier, and Lamarck, the synthetic theory, and the Darwin theory.

In the 1700s, French naturalists, Comte de Buffon and Baron Cuvier concluded with the studies of fossils and comparative anatomy that life on earth had endured many changes through a long period of time. In the early 1800s, another French naturalist named Lamark, proposed the first complete theory of evolution. He observed through is observations,

We act like animals, we eat like animals, and we are animals. The many theories of evolution such as Darwin's theory of evolution prove to us that we choose to believe that we are not animals when we really are. With the amazing changes and evolvement our species has undergone and as the twenty first century approaches us, who knows what forms of evolutionary change will come of us.

The first human species is believed to have evolved only about 7 illion years ago. Data indicated that the blood proteins of humans, chimpanzees, and gorillas are equally different from each other. In other words, a type of evolutionary event 7million years ago caused a common ancsestor to split in three directions at once. This type of evolutionary event not only led to the evolution of modern humans but also of modern chimpanzees and modern gorillas. In the 1980s, discoveries of much more complete specimens of Ramapithecus fossils, settled the dispute of the evolutionary event.

In 1808, French naturalist Chevalier de Lamarck contemplated a theory of evolution, although, his theory of evolution did not gain any recognition until 1858. In 1858, British naturalist Charles R. Darwin furnished his theory of evolution, also known as Darwin's theory. Along with Darwin's theory of evolution there early theories and the synthetic theory. In 1858, Charles Darwin furnished his theory of evolution and the majority of scientists accept the Darwin theory today. The Darwin theory states that all species evolved from either many or few common ancestors or descendants under circumstances of natural selection. Three chief resources aided Darwin to develop his widespread theory of evolution. One, his personal observations, two, the geological theory of British scientist Sir Charles Lyell, and three, the population theory of the British economist Thomas Robert Malthus. Aboard the H.M.S Beagle from 1831 to 1836, Charles Darwin made many of is observations in his quest to propose his theory of evolution. On the coast of South America, Darwin came under the possession of many specimens of plants and animals. On the Galapagos Islands, off the coast of Ecuador Darwin discovered many differences between species on the islands and with the species on the mainland. For example, Darwin noted that certain fossils of extinct species were closely similar to living species in the same geographical area. Darwin also observed that each island possessed its own form of tortoise, mockingbird, and finch. He also discovered various forms of these species were closely similar but differed in structure and eating habits from island to island. In addition, Darwin discovered varieties of differences between species on one island and another island. With each observation, Darwin come to the question of possible links between distinct but similar species.

This was written by Darwin in his book called The Descent of Man. The Descent of Man was written to distinguish the evolvement of humans, bipedalism, technology, and an enlarged brain. In this quote, Darwin is stating that the evolution of the Homo sapiens unusual form of locomotion was directly linked to the production of stone weapons. Furthermore, Darwin linked these evolutionary changes to the origin of the canine teeth in humans. In addition, the canine teeth of a human are unusually small compared to the canines of apes.

As bipedal creatures, Homo sapiens developed a more intense and interactive social mind-frame. With the development of a more intense and interactive social mind-frame, Homo sapiens required more intellect or mentality. As the intelligence of our ancestors, Homo sapiens, increased, the greater was their sophistication and technology.

Some common words found in the essay are:
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Approximate Word count = 3446
Approximate Pages = 14 (250 words per page double spaced)