Part 1 of Essay
Every species on earth has it\\'s variants. For example, the differences between Wood Ducks and Mallards have evolved for specific reasons - namely, those which best ensure the survival of the Duck species in different environments. The same applies to humans. The Negro race has evolved under a certain set of conditions an ....

Part 2 of Essay
.... it\\'s sub-species and it\\'s further strains and breeds under those have evolved for a very specific reason - the preservation of the species, and ultimately, life itself. Each species is like a tree, with hundreds of branches, each leading to thousands of other branches. Each branch of the tree is slightly different from the one beside it, due to living in a different environment it has had to adapt and the resulting differences are due to the combination - the formula - of genes, which has survived the b ....