The comparison of embryo development in mammals such as dogs,rabbits,rats,bats,goats and humans at early stage is clear proof and hard to deny that we are distant relatives.From the study of Lyell,to the study of French Zoologist,Jean De Lamarck,who had claimed,it was theory of heredity of acquired characteristic that was responsible for species' environmental adaption.For instance Giraffe had evolved long necks for generations,because they had stretched up necks for leaves for years inthe trees.Still rejected his claims and had no proof of how evolution occur.So he had the formula,by the time he had coined the words:"Natural Selection"meaning survival of the fittest.He had pointed out no speciesare exactly the same so that nature produces magnitude and enormous variations.He could not imagined how natural selection takes place.Not until 1838 october two years after his return on the beagle,he came across a book An Essay On The Principle Of Population by Thomas Malthus,the father of mordern population study.BARUCH SPINOZA
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