Thoeries Of Evolution Thoeries of Evolution Evolution is the process by which bed organisms originated on earth and have changed their forms to adapt to the changing environment. The primaeval known fossil organisms are the single-celled forms resembling modern bacterium; they date from about 3.4 billion years ago. Evolution has resulted in successive radiations of new types of organisms, many of which have become extinct, altogether some of which have developed into the present fauna and constitute life of the world (Wilson 17). Evolution has been studied for nearly 2 centuries.
unrivaled of the earliest evolutionists was Jean Baptiste de Lamarck, who argued that the patterns of resemblance found in non-homogeneous creatures arose through evolutionary modifications of a common lineage. Naturalists had already splay that different animals are adapted to different modes of life and environmental conditions; Lamarck believed that environmental changes evoked in individual anima...If you want to see a full essay, order it on our website:
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