Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Non-equilibrium Thermodynamics of Natural Selection: From Molecules to the Biosphere

Version 1 : Received: 16 May 2023 / Approved: 17 May 2023 / Online: 17 May 2023 (03:47:07 CEST)

A peer-reviewed article of this Preprint also exists.

Michaelian, K. The Non-Equilibrium Thermodynamics of Natural Selection: From Molecules to the Biosphere. Entropy 2023, 25, 1059. Michaelian, K. The Non-Equilibrium Thermodynamics of Natural Selection: From Molecules to the Biosphere. Entropy 2023, 25, 1059.

Abstract

Evolutionary theory suggests that the origin, persistence, and evolution of biology is driven by the “natural selection” of characteristics improving the differential reproductive success of the organism in the given environment. The theory, however, lacks physical foundation, and, therefore, at best, can only be considered a heuristic narrative, of some utility for assimilating the biological and paleontological data at the level of the organism. On deeper analysis, it becomes apparent that this narrative is plagued with problems and paradoxes. Alternatively, non-equilibrium thermodynamic theory, derived from physical law, provides a physical foundation for describing material interaction with its environment at all scales. Here we describe a “natural thermodynamic selection” of characteristics of structures (or processes), based stochastically on increases in the global rate of dissipation of the prevailing solar spectrum. The different mechanisms of thermodynamic selection are delineated for the different biotic-abiotic levels, from the molecular level at the origin of life, up to the level of the present biosphere with non-linear coupling of biotic and abiotic processes. At the levels of the organism and the biosphere, the non-equilibrium thermodynamic description of evolution resembles, respectively, Darwinian and Gaia descriptions, although the underlying mechanisms and the objective function of selection are fundamentally very different.

Keywords

origin of life; evolution; disspative structuring; prebiotic chemistry; abiogenisis; adenine; biosphere; natural selection

Subject

Physical Sciences, Biophysics

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