Evolution - Adnan Ahmad Shafique Biological Evolution Prof...

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Adnan Ahmad Shafique Biological Evolution Prof. Muehlbauer January 22, 2007 Essay Response III All the species, living and extinct, are part of a cycle of nature. The process that started some 3.5 billion years ago, from prokaryotic cells, has now reached a stage where one can find so many different life forms which differ from each other in shape, size, structure and function, and no one just by looking at them can say that they all came from almost identical ancestors. All of this has been possible due to the constant change in living conditions and the process of natural selection. Every life form that we see today has covered a long distance and has left behind a trail, in the form of fossils that can be tracked back to the simplest of the life forms from where it began its journey. During this long journey of life on earth many previous life form have met extinction, the one more suitable for survival have moved on giving birth to even more suitable offspring. The interesting point is that extinction isn’t always the fate of the oldest of species;
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This note was uploaded on 05/04/2008 for the course BIO 025 taught by Professor Muelbuer during the Spring '08 term at CUNY Queens.

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Evolution - Adnan Ahmad Shafique Biological Evolution Prof...

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