Four elements of Darwins theory of natural selection were presented in his monumental work On the introduction of Species (1859), namely: (i)biological laws govern the whole of natural nature, including humans; (ii)the pressure of population growth on resources generates a struggle for existence among organisms; (iii)inheritable bodily and mental traits confer a comparative advantage or disadvantage on their possessors in this struggle; (iv)cumulative effects of selection and hereditary pattern over time narration for the issuing of new species and the liquidation of others. (Hawkins 1998, p. 31) These four principles provide such(prenominal) a reigning account of the formation of new sp ecies that Darwins theory of natural selecti! on remains a unifying principle in unexampled biology. In the years after the publication of On the Origin of Species, its principles were ambitiously taken up by those who hoped to fly the coop standardised insights in fields other than biology. Among these were nineteenth degree centigrade philosophers such as Herbert Spencer in England, Ernst Haeckel in Germany and William...If you want to repel a full essay, order it on our website: OrderEssay.net
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