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

By Tony Stebbing

ISBN-10: 0511933819

ISBN-13: 9780511933813

ISBN-10: 0521199638

ISBN-13: 9780521199636

Maia is the tale of an idea, and its improvement right into a operating speculation, that gives a cybernetic interpretation of the way development is managed. progress on the lowest point is managed by way of regulating the speed of development. entry to the output of regulate mechanisms is equipped through perturbing the turning out to be organism, after which filtering out the implications to progress fee. The output of the expansion regulate mechanism is then obtainable 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 progress. The account starts off with an creation to cybernetics masking the legislation of development and inhabitants bring up in animals and guy and describes this new method of entry the keep an eye on of progress tactics. This ebook is appropriate for postgraduate scholars of organic cybernetics and researchers of organic progress, endocrinology, inhabitants ecology and toxicology.

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Extra info for A Cybernetic View of Biological Growth: The Maia Hypothesis

Example text

Survivorship ranks higher in the lives of organisms, and their evolution, than maximising their population size at potential risk to themselves, or maximising the exploitation of their habitat or prey populations. Cyberneticists argue that positive feedback may be useful, but it is inherently unstable, capable of causing loss of control and runaway. A higher level of control must therefore be imposed upon any positive feedback mechanism: self-stabilising properties of a negative feedback loop constrain the explosive tendencies of positive feedback.

This is most obvious in competition for space, whether the competitors are lichens on a gravestone, or barnacles on a rocky shore. Clearly prior occupation of space is an advantage to these species. It is as true of the first microalgae that bloom in spring, which utilise the nutrients. 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.

But there is something more than the legend dared to invent: the seven heads that I cut off from this Hydre, after being fed, became perfect animals; and it only remained for me to make a new monster from each of them [4]. Abraham Trembley added so much to the story of asexual reproduction that it is worth saying more about him. In the 1740s the young Swiss was tutor to the two sons of Count Bentinck in Holland. Educating the young boys gave him the opportunity to use his dip net to search for aquatic life in the ornamental ponds of the Count’s estate.

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


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