Browsing Leo Tolstoy By Tag : natural selection

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[What follows is an nineteenth-century defense of Lamarckism, the since-disproven belief that genetics are molded by the activity or behavior of the organism, instead of through the process of natural selection. Naturally, anyone should be cautious when reviewing a scientific article written more than a hundred year ago, but at least here below, you can see what passionate turns the debate took. In Kropotkin's favor, it may at least be said that the process of natural selection turned out to be far more complicated than Darwin and Wallace had believed, and was only fully elaborated by Dawkins as gene-centric, rather than organism or species-centric. -- Andy Carloff] There can be no doubt that species may become greatly modified through the ... (From : Anarchy Archives.)

A Factor of EvolutionMutual Aid: A Factor of Evolution Peter Kropotkin 1902 INTRODUCTION Two aspects of animal life impressed me most during the journeys which I made in my youth in Eastern Siberia and Northern Manchuria. One of them was the extreme severity of the struggle for existence which most species of animals have to carry on against an inclement Nature; the enormous destruction of life which periodically results from natural agencies; and the consequent paucity of life over the vast territory which fell under my observation. And the other was, that even in those few spots where animal life teemed in abundance, I failed to find -- although I was eagerly looking for it -- that bitter struggle for the means of existence, among animals belonging to the same species, which was considered by most Darwinists (though not always by Darwin himself) as the dominant characteristic of struggle for life, and the main factor of evolution. Th...

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