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The Persistent Progression: A Third View on Animal Evolution

Francis Dov, Por (2000) The Persistent Progression: A Third View on Animal Evolution. [Preprint]

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    Abstract

    Abstract. Animal evolution is seen today through the dilemma of two reigning views. The first sees animal evolution as a shallow sequence of contingent accidents and catastrophic extinctions. The second, accepting a progressive trend in this evolution, sees a hidden vitalistic or deistic force at work. I propose a third way which accepts progressivism, but considers it to be a historical consequence of directional dissipative thermodynamic processes which are acting on the globe. The animals have a crucial role in stimulating the gradual expansion of the biosphere and the increasingly efficient recycling within it. The different animal phyla, irreversibly marked by their morpho-physiological signatures are the selective and selected players in this process. The terrestrial environment, once colonised, provides for maximum biomass and highest animal efficiency and complexity. The thermoregulating vertebrates and among them the human species selected out as the recent culmination of this evolution.


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    Item Type: Preprint
    Keywords: Animal evolution; Progressivism
    Subjects: Specific Sciences > Biology > Evolutionary Theory
    Depositing User: Francis Dov Por
    Date Deposited: 26 Jun 2001
    Last Modified: 07 Oct 2010 15:16
    Item ID: 305
    URI: http://philsci-archive.pitt.edu/id/eprint/305

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