A Cybernetic View of Biological Growth: The Maia Hypothesis by Tony Stebbing

By Tony Stebbing

Maia is the tale of an idea, and its improvement right into a operating speculation, that offers a cybernetic interpretation of the way progress is managed. development on the lowest point is managed through regulating the speed of development. entry to the output of keep watch over mechanisms is equipped through perturbing the transforming into organism, after which filtering out the implications to progress fee. The output of the expansion keep watch over mechanism is then available for interpretation and modeling. Perturbation experiments were used to supply interpretations of hormesis, the neutralization of inhibitory load and bought tolerance to poisonous inhibition, and catch-up development. The account starts with an advent to cybernetics masking the law of development and inhabitants raise in animals and guy and describes this new method of entry the keep an eye on of development strategies. This ebook is appropriate for postgraduate scholars of organic cybernetics and researchers of organic development, endocrinology, inhabitants ecology and toxicology.

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It had been sidelined, due partly to its historical association with homeopathy, but recent times have seen a resurgence of interest. A homeodynamic explanation for hormesis, as given here, is becoming accepted as plausible, and suggests that low levels of any inhibitor may be expected to stimulate biological processes over a range of concentrations, as we know from our everyday experience of appropriate levels of intake of alcohol, caffeine and nicotine. The relationship between hormesis and homeopathy is an interesting one.

The first not only wins, but it also denies other competitors the prize. The annual competition for space on the spaces on rocky shores is mostly won by colonial species, simply because the exponential growth of bryozoans, hydroids and tunicates enables them to cover the available space more rapidly than solitary species can. SELF-LIMITING POPULATIONS? The overwhelming observation that we are left with is that exponential growth is a double-edged sword. It is adaptive in its early stages, but becomes increasingly maladaptive as growth rates accelerate.

The growth of a population, or the growth of a colony, involves essentially the same process. The population dynamics are, in principle, indistinguishable, whether considering the growth of a population of budding hydra or the growth of a hydroid colony. What is of interest here is that the growth of a metazoan and of a population of individuals is similar, and colonial species can be used as model organisms for either or both. 3a). My purpose is to use the ambiguity of coloniality as a model organism in relation both to the growth of individual organisms and the growth of populations.

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