acclimatization actuary adaptogen albedo alfred radcliffe-brown allostasis animal anthony stafford beer apoptosis artificial intelligence bacteria behavior biodiversity biome biomedical cybernetics biorobotics biosemiotics boom and bust buckminster fuller carrying capacity catastrophe theory charles geoffrey vickers circadian rhythm claude bernard climax community closed system cloud condensation nuclei computational neuroscience connectionism control theory cyberneticist cybernetics decision theory dehydration dimethyl sulfide dynamic equilibrium ecological niche ecological succession ecosystem emergence enantiostasis endotherm erich von holst ernst von glasersfeld exotherm fever forest francis heylighen francisco varela frederic vester gaia hypothesis glucagon gordon pask gout health heinz von foerster homeorhesis human homeostasis humberto maturana humus hyperglycemia hypoglycemia igor aleksander information theory insect insulin james lovelock jay wright forrester kevin warwick krakatoa list of greek words with english derivatives ludwig von bertalanffy management cybernetics medical cybernetics metabolism microclimate milieu interieur negative feedback neuro cybernetics new cybernetics niklas luhmann norbert wiener organism osmosis oxytocin parameter physiology phytoplankton plant litter platelet positive feedback protobiont reptile risk homeostasis river robert trappl second-order cybernetics self-organization semiotics senescence sere snake sociocybernetics soil stuart kauffman stuart umpleby sun superorganism synergetics talcott parsons tarantula urea urine valentin turchin walter bradford cannon walter pitts weed william ross ashby