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Darwin’s theory of Natural Selection brought about Selectabruptproceduralsystematicrevolutionary changes in philosophical thoughts as well; the anthropologists scrapped the old Selectpracticesassumptionstheoriesvalues and ideas and started reinterpreting the historical facts in the light of new research. The history of Selectmanevolutionneedocean of life on earth reveals very interesting facts. The scientists believe that lifeSelectoriginatedstarteddevelopedshapedin water, and it took billions of years for life to evolve from simple organisms to the ones we see today. In evolutionary historical process, many fascinating changes took place; out of which, the evolution of the origin of shells has been the most astounding. Most, but not all mollusks have shells; the purpose of the same is Selectattractiondistanceprotectionseparation from predators. Shells enchant us no end with their vast variety of forms, textures and combinations of colours. Shells were more or less used as Selectretreatsdisguisecoversoffence by these animals, to back off from danger. Then, there were species like tortoises, which seem to benefit from nature’s creative force the most and in the process got themselves designer shells.