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  2. Biological organisation - Wikipedia

    en.wikipedia.org/wiki/Biological_organisation

    For example, a molecule can be viewed as a grouping of elements, and an atom can be further divided into subatomic particles (these levels are outside the scope of biological organisation). Each level can also be broken down into its own hierarchy, and specific types of these biological objects can have their own hierarchical scheme.

  3. Unit of selection - Wikipedia

    en.wikipedia.org/wiki/Unit_of_selection

    Two useful introductions to the fundamental theory underlying the unit of selection issue and debate, which also present examples of multi-level selection from the entire range of the biological hierarchy (typically with entities at level N-1 competing for increased representation, i.e., higher frequency, at the immediately higher level N, e.g., organisms in populations or cell lineages in ...

  4. Sociobiology - Wikipedia

    en.wikipedia.org/wiki/Sociobiology

    Sociobiology is a field of biology that aims to explain social behavior in terms of evolution.It draws from disciplines including psychology, ethology, anthropology, evolution, zoology, archaeology, and population genetics.

  5. Organizational ecology - Wikipedia

    en.wikipedia.org/wiki/Organizational_ecology

    The community level is the functionally integrated system of interacting populations. The population level is the set of organizations engaged in similar activities. The organization level focuses on the individual organizations (some research further divides organizations into individual member and sub-unit levels [2]).

  6. Living systems - Wikipedia

    en.wikipedia.org/wiki/Living_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. [3] [4] [5] Miller's central thesis is that the multiple levels of living systems (cells, organs ...

  7. Biological system - Wikipedia

    en.wikipedia.org/wiki/Biological_system

    Biological organization spans several scales and are determined based different structures depending on what the system is. [1] Examples of biological systems at the macro scale are populations of organisms. On the organ and tissue scale in mammals and other animals, examples include the circulatory system, the respiratory system, and the ...

  8. Level of analysis - Wikipedia

    en.wikipedia.org/wiki/Level_of_analysis

    However, meso level may also refer to analyses that are specifically designed to reveal connections between micro and macro levels. It is sometimes referred to as mid range, especially in sociology. Examples of meso-level units of analysis include the following: Clan; Tribe; Community; Village, town, city; Formal organization; State

  9. Social ecological model - Wikipedia

    en.wikipedia.org/wiki/Social_ecological_model

    Examples of systems are health systems, education systems, food systems, and economic systems. Drawing from natural ecosystems which are defined as the network of interactions among organisms and between organisms and their environment, social ecology is a framework or set of theoretical principles for understanding the dynamic interrelations ...