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Around 13.5 billion years ago, energy, time, matter and space possessed become known as the phenomenon of the best Bang. The idea of the essential top features of the universe is referred to as physics. Around 30,000 years when these features possessed made an appearance, energy along with matter had started the coalescing into various complex structures known as the atoms. These then combined themselves into bigger molecules. The idea of atoms along with molecules as well as its conversation is referred to as the chemistry. Some 3.8 billion years before, on some entire world known as the planet earth, several molecules possessed combined to cause some large and well-defined structures known as the microorganisms. The idea of the microorganisms is referred to as biology. Around 70,000 years before, the microorganisms which belonged to the group homo sapiens possessed started creating even much larger and elaborative structures known as the civilizations. The development of the cultures is recognized as background.The humans were present long before enough time of background. Various pets or animals like the homo sapiens of the present day times had made an appearance as early as around 2.5 million years before. However, for many generations, these microorganisms were not able to stick out from the many other microorganisms. The biologists have categorized the microorganisms into specific kinds. The pets or animals could participate in same kinds when they would have similar characteristics or would partner with their own kinds. The homo sapiens have been held hidden as quite a secret regarding their exact origin and evolution. The homo sapiens are believed to have first evolved in the provinces of Eastern Africa some 2.5 million years before from the earlier genus known as the Australopithecus which indicates "Southern Apes". Here is the thorough theory about the possible origin and evolution of the Homo Sapiens on the planet earth.