Abstract
Abstract – The creation of structural hierarchies in open natural biosystems within the framework of quasi-closed systems is investigated by the methods of hierarchic thermodynamics (thermostatics). During the evolution of natural open systems, every higher hierarchic level j appears as
a consequence of thermodynamic self-organization (self-assembly) of the structures of the lower
(j -1)-th level. Such a self-assembly proceeds as a result of stabilization of the j-th level. This is related to the Gibbs` (Helmholtz`) specific function of formation of the structure of the j-th level tending to a minimum. As a result of action of the principle of substance (matter) stability, the structures of the j-th level are enriched with less stable structures of the (j – 1)-th level in the course of evolution. This provides a thermodynamic feedback between the structures of the higher j-th level
and lower (j -1)-th level, thus preventing full structural stabilization of the j-th level and causing “thermodynamic rejuvenation” of biosystems. The latter enhances “thermodynamic” deceleration of evolution and practically unlimited maintenance of life. Examples of quantitative correlations are provided that call for further application of the substance stability principle to living and nonliving hierarchic structures.
Biology Bulletin, 2002, Vol. 29, No. 1, pp. 1-4
On the Principle of Substance Stability and Thermodynamic Feedback
in Hierarchic Systems of Bioworld
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