Numerical simulations of scaling exponents in moving organisms: A comparative study within and across species

Dorilson Silva Cambui and Alberto Sebastião De Arruda ()
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Dorilson Silva Cambui: Secretaria de Estado de Educação de Mato Grosso, 78049-909 Cuiabá, MT, Brazil
Alberto Sebastião De Arruda: Instituto de Física, Universidade Federal de Mato Grosso, 78060-900 Cuiabá, MT, Brazil

International Journal of Modern Physics C (IJMPC), 2025, vol. 36, issue 09, 1-10

Abstract: This study investigates the metabolic rates of living organisms in motion through numerical simulations, employing a modified equation that accounts for the combined effects of kinetic energy and temperature via the Boltzmann factor. This approach provides a comprehensive analysis of metabolic processes. The metabolic scaling exponent was calculated for organisms both within the same species and across different species. For organisms of the same species, the scaling exponent was consistent with the expected value of 0.75, as predicted by the 3/4 Law of Metabolism. In contrast, for organisms across different species, a scaling exponent of approximately 0.8 was observed. The results suggest that metabolic scaling may differ when comparing across species.

Keywords: Metabolic rate; scaling exponent; ontogenetic equation (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1142/S0129183125500044

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