Browsing By Tag "natural selection"
[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 Chapter 2: MUTUAL AID AMONG ANIMALS (continued) Migrations of birds.-- Breeding associations. -- Autumn societies. -- Mammals: small number of unsociable species. -- Hunting associations of wolves, lions, etc. -- Societies of rodents; of ruminants; of monkeys. -- Mutual Aid in the struggle for life. -- Darwin's arguments to prove the struggle for life within the species. -- Natural checks to over-multiplication. -- Supposed extermination of intermediate links. -- Elimination of competition in Nature. As soon as spring comes back to the temperate zone, myriads and myriads of birds which are scattered over the warmer regions of the South come together in numberless bands, and, full of vigor and joy, hasten northwards to rear their offspring. Each of our hedges, each grove, each ocean cliff, and each of the lakes and ponds with which Northern America, Northern...