ABCD TEXT nclude:

the global macroeconomic network within a country or group of countries; stock market and complex web of cross border holding companies; social insect (e.g. ant) colonies;^[4]

the biosphere and the ecosystem; the brain and the immune system; the cell and the developing embryo; manufacturing businesses; and any human social group-based endeavour in a particular ideology and social system such as political parties, communities, geopolitical organisations, war, and terrorist networks of both hierarchical and leaderless nature.^[4][5][6]

The internet and cyberspace – composed, collaborated, and managed by a complex mix of human–computer interactions, is also regarded as a complex adaptive system.