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Related Experiment Videos

Recursive evolution.

O E Rössler

    Bio Systems
    |August 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Evolutionary systems face inherent limitations in phenotype mutability due to morphogenetic processes. This study explores "ultrasplasticity," a higher-level plasticity, to overcome these constraints and enhance evolutionary adaptability.

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    Area of Science:

    • Evolutionary Biology
    • Developmental Biology
    • Theoretical Biology

    Background:

    • Phenotypic mutability in evolutionary systems is constrained by Waddington's principle, limiting unbiased mosaic-type changes.
    • Morphogenetic processes inherently channel development, preventing complete phenotypic plasticity.
    • Existing evolutionary frameworks struggle to account for adaptability beyond inherent developmental constraints.

    Purpose of the Study:

    • To investigate if developmental 'channeling' can be made plastic through alternative morphogenetic pathways.
    • To explore the concept of 'ultrasplasticity' as a higher-order evolutionary adaptability.
    • To determine the evolutionary necessity and stability of ultrasplastic systems.

    Main Methods:

    • Theoretical modeling of evolutionary systems with alternative morphogeneses.

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  • Analysis of developmental channeling and its potential for plasticity.
  • Conceptual framework development for 'ultrasplasticity' and 'temporal brains'.

    • Main Results:

    • Unbiased mosaic-type mutability is fundamentally impossible in current evolutionary systems.
    • Alternative morphogeneses with differing 'hot spots' may introduce plasticity at a higher level.
    • Ultrasplasticity, if achievable, represents a novel and potentially stable evolutionary property.

    Conclusions:

    • The concept of ultrasplasticity offers a theoretical pathway to reestablish and enhance evolutionary plasticity.
    • Ultrasplastic systems, a subclass of 'temporal brains,' may be evolutionarily necessary and stable.
    • Further research is required to fully understand the properties and feasibility of ultrasplastic systems.