Living systems - life. Living systems are open self-organizing life forms that interact with their environment. These systems are maintained by flows of info ..


Living systems

Living systems are open self-organizing life forms that interact with their environment. These systems are maintained by flows of information, energy and matter.

Some scientists have proposed in the last few decades that a general living systems theory is required to explain the nature of life. Such a general theory, arising out of the ecological and biological sciences, attempts to map general principles for how all living systems work. Instead of examining phenomena by attempting to break things down into components, a general living systems theory explores phenomena in terms of dynamic patterns of the relationships of organisms with their environment.


1. Theory

Living systems theory is a general theory about the existence of all living systems, their structure, interaction, behavior and development. This work is created by James Grier Miller, which was intended to formalize the concept of life. According to Millers original conception as spelled out in his magnum opus Living Systems, a "living system" must contain each of twenty "critical subsystems", which are defined by their functions and visible in numerous systems, from simple cells to organisms, countries, and societies. In Living Systems Miller provides a detailed look at a number of systems in order of increasing size, and identifies his subsystems in each. Miller considers living systems as a subset of all systems. Below the level of living systems, he defines space and time, matter and energy, information and entropy, levels of organization, and physical and conceptual factors, and above living systems ecological, planetary and solar systems, galaxies, etc.

Living systems according to Parent 1996 are by definition "open self-organizing systems that have the special characteristics of life and interact with their environment. This takes place by means of information and material-energy exchanges. Living systems can be as simple as a single cell or as complex as a supranational organization such as the European Union. Regardless of their complexity, they each depend upon the same essential twenty subsystems or processes in order to survive and to continue the propagation of their species or types beyond a single generation".

Miller said that systems exist at eight "nested" hierarchical levels: cell, organ, organism, group, organization, community, society, and supranational system. At each level, a system invariably comprises twenty critical subsystems, which process matter–energy or information except for the first two, which process both matter–energy and information: reproducer and boundary.

The processors of matter–energy are:

  • ingestor, distributor, converter, producer, storage, extruder, motor, supporter

The processors of information are:

  • input transducer, internal transducer, channel and net, timer added later, decoder, associator, memory, decider, encoder, output transducer.

2. Millers living systems theory

James Grier Miller in 1978 wrote a 1.102-page volume to present his living systems theory. He constructed a general theory of living systems by focusing on concrete systems - nonrandom accumulations of matter–energy in physical space–time organized into interacting, interrelated subsystems or components. Slightly revising the original model a dozen years later, he distinguished eight "nested" hierarchical levels in such complex structures. Each level is "nested" in the sense that each higher level contains the next lower level in a nested fashion.

His central thesis is that the systems in existence at all eight levels are open systems composed of twenty critical subsystems that process inputs, throughputs, and outputs of various forms of matter–energy and information. Two of these subsystems - reproducer and boundary - process both matter–energy and information. Eight of them process only matter–energy. The other ten process information only.

All nature is a continuum. The endless complexity of life is organized into patterns which repeat themselves - theme and variations - at each level of system. These similarities and differences are proper concerns for science. From the ceaseless streaming of protoplasm to the many-vectored activities of supranational systems, there are continuous flows through living systems as they maintain their highly organized steady states.

Seppanen 1998 says that Miller applied general systems theory on a broad scale to describe all aspects of living systems.


2.1. Millers living systems theory Topics in living systems theory

Millers theory posits that the mutual interrelationship of the components of a system extends across the hierarchical levels. Examples: Cells and organs of a living system thrive on the food the organism obtains from its suprasystem; the member countries of a supranational system reap the benefits accrued from the communal activities to which each one contributes. Miller says that his eclectic theory "ties together past discoveries from many disciplines and provides an outline into which new findings can be fitted".

Miller says the concepts of space, time, matter, energy, and information are essential to his theory because the living systems exist in space and are made of matter and energy organized by information. Millers theory of living systems employs two sorts of spaces: physical or geographical space, and conceptual or abstracted spaces. Time is the fundamental "fourth dimension" of the physical space–time continuum/spiral. Matter is anything that has mass and occupies physical space. Mass and energy are equivalent as one can be converted into the other. Information refers to the degrees of freedom that exist in a given situation to choose among signals, symbols, messages, or patterns to be transmitted.

Other relevant concepts are system, structure, process, type, level, echelon, suprasystem, subsystem, transmissions, and steady state. A system can be conceptual, concrete or abstracted. The structure of a system is the arrangement of the subsystems and their components in three-dimensional space at any point of time. Process, which can be reversible or irreversible, refers to change over time of matter–energy or information in a system. Type defines living systems with similar characteristics. Level is the position in a hierarchy of systems. Many complex living systems, at various levels, are organized into two or more echelons. The suprasystem of any living system is the next higher system in which it is a subsystem or component. The totality of all the structures in a system which carry out a particular process is a subsystem. Transmissions are inputs and outputs in concrete systems. Because living systems are open systems, with continually altering fluxes of matter–energy and information, many of their equilibria are dynamic - situations identified as steady states or flux equilibria.

Miller identifies the comparable matter–energy and information processing critical subsystems. Elaborating on the eight hierarchical levels, he defines society, which constitutes the seventh hierarchy, as "a large, living, concrete system with today is almost always greater than the power of supranational deciders. Traditionally, theory at this level has been based upon intuition and study of history rather than data collection. Some quantitative research is now being done, and construction of global-system models and simulations is currently burgeoning.

At the supranational system level, Millers emphasis is on international organizations, associations, and groups comprising representatives of societies nation–states. Miller identifies the subsystems at this level to suit this emphasis. Thus, for example, the reproducer is "any multipurpose supranational system which creates a single purpose supranational organization" p. 914; and the boundary is the "supranational forces, usually located on or near supranational borders, which defend, guard, or police them" p. 914.


2.2. Millers living systems theory Strengths of Millers theory

Not just those specialized in international communication, but all communication science scholars could pay particular attention to the major contributions of living systems theory LST to social systems approaches that Bailey has pointed out:

  • The emphasis on cross-level analysis and the production of numerous cross-level hypotheses.
  • The specification of the eight hierarchical levels of living systems.
  • Cross-level, cross-subsystem research.
  • The specification of the twenty critical subsystems in any living system.
  • Cross-subsystem research e.g., formulation and testing of hypotheses in two or more subsystems at a time.

Bailey says that LST, perhaps the "most integrative" social systems theory, has made many more contributions that may be easily overlooked, such as: providing a detailed analysis of types of systems; making a distinction between concrete and abstracted systems; discussion of physical space and time; placing emphasis on information processing; providing an analysis of entropy; recognition of totipotential systems, and partipotential systems; providing an innovative approach to the structure–process issue; and introducing the concept of joint subsystem - a subsystem that belongs to two systems simultaneously; of dispersal - lateral, outward, upward, and downward; of inclusion - inclusion of something from the environment that is not part of the system; of artifact - an animal-made or human-made inclusion; of adjustment process, which combats stress in a system; and of critical subsystems, which carry out processes that all living systems need to survive.

LSTs analysis of the twenty interacting subsystems, Bailey adds, clearly distinguishing between matter–energy-processing and information-processing, as well as LSTs analysis of the eight interrelated system levels, enables us to understand how social systems are linked to biological systems. LST also analyzes the irregularities or "organizational pathologies" of systems functioning. It explicates the role of entropy in social research while it equates negentropy with information and order. It emphasizes both structure and process, as well as their interrelations.


2.3. Millers living systems theory Limitations

It omits the analysis of subjective phenomena, and it overemphasizes concrete Q-analysis correlation of objects to the virtual exclusion of R-analysis correlation of variables. By asserting that societies ranging from totipotential communities to nation-states and non-supranational systems have greater control over their subsystem components than supranational systems have, it dodges the issue of transnational power over the contemporary social systems. Millers supranational system bears no resemblance to the modern world-system that Immanuel Wallerstein 1974 described, although both of them were looking at the same living dissipative structure.

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