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How Evolution Happened | Part 1

Dissertation about Evolution

Evolution of Primates

As archaeologists continued to pursue the search for the origins of man, their perseverance did not fail them. Studies said that even when dinosaurs walked on earth, there were already primates abound. This is proven by the fossils found which are carbon dated back to an era scientifically believed to be the era of dinosaurs, in between 60 and 65 maya. In the 55 maya though came a certain species of primates which did not live in trees. The recent species of primates have become tree dwellers as a part of their adaptation to a tree-lined environment. The significant change in these primates occurred with the splitting of the earth into the southern and northern hemispheres. The primates developed into smarter monkeys which were able to travel between Africa and America, when these land masses were not completely disjoined. They accomplished their travel through following the connected islands and through water travel by rafting. These primates were approximately in existence in 23 maya. Eventually, the primates grew physically, which was also accompanied by a growth in the size of their brain. This led to a new breed of primates.

Evolution of Primates Walking Upright

A notable difference between primates and man is that primates walk on four’s while men walk on two’s. When the primates first evolved into a man-like figure, the first evolving feature that they had was the ability to walk upright. This was to help them adapt to the evolving environment also. Because of the changes in the climate of the earth, when this first occurred in the Savannas in approximately 5 maya, fossils showed that primates already managed to walk on two feet because they made themselves more productive by using their upper limbs to hold things. They learned how to handle their offsprings with their two “hands.” Regarding the adaptive reason of this evolution, the primates found it easier to deal with the increased level of temperature if they stood up and let cooler air fan their heated up bodies.

Evolution of the Hominids

In about 4.4 maya, after the primates were able to walk upright, fossils showed that there was another surge of evolution among the species found in Ethiopia. The Ardipithecus genus consisted of those primates which were more like apes and which lived in trees. Another genus, Australopithecus, was classified as the first species of hominids, with faces that were not still flattened, smaller brain sizes, with 105-pound weights, and muscular build. They learned to eat fruits and vegetables by this time. There were also evidences of stone tools made by these species in about 2.6 maya. They used these tools to facilitate their living, to aid in their survival as they looked for food. The tools were used to dig for root crops or used to deal with the meat of already dead animals and more.

Evidences of Evolution Worldwide

After the previous periods, the evolution in the hominids sped up and their population scattered all over the world too, as archaeologists were able to find digs containing their fossils everywhere. Eventually, this evolution led to the development of Homo Sapiens, the genus where man belongs to.

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