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Related Experiment Videos

Complex-irreversibility and evolution.

I Walker

    Experientia
    |August 15, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Time

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    Area of Science:

    • Theoretical Biology
    • Philosophy of Time
    • Evolutionary Biology

    Background:

    • Order in time is fundamental to both irreversibility and evolution.
    • Complex systems exhibit irreversibility due to their nature, while living systems reproduce via irreversible processes.
    • Living systems exhibit a temporal arrow of growth and complexity, independent of entropy, and spatial asymmetry.

    Purpose of the Study:

    • To propose a generalized organic hierarchy model for studying higher evolution.
    • To define continuous and discrete organization within evolutionary contexts.
    • To investigate the mechanisms driving genetic stabilization and heritability of species-specific morphology.

    Main Methods:

    • Conceptual modeling of a generalized organic hierarchy.

    Related Experiment Videos

  • Analysis of differential reproduction rates within hierarchical levels.
  • Examination of relationships between continuous and discrete organization and genetic dynamics.

    • Main Results:

    • The proposed hierarchy model reproduces via differential subunit reproduction, driving phylogenetic change.
    • Specific relations between continuous and discrete organization lead to neutral allele accumulation.
    • Complex-irreversibility is identified as the cause of genetic stabilization and heritability of morphology.

    Conclusions:

    • System-specific time is the only viable concept, convertible between temporal and spatial order.
    • Evolutionary processes in living systems create a distinct arrow of increasing organic complexity.
    • The model explains genetic stabilization and the heritability of species-specific traits through hierarchical organization and irreversibility.