Industrial and technological progress increases the incidence of magnetic fields of different characteristics in our working and living environment. The subproject "Neurophysiological and behavioral responses of different species to external magnetic fields" (led by Dr. Branka Petković) deals with the effects of magnetic fields, particularly on the neuroendocrine system, in insects (Drosophila sp., Musca domestica, Tenebrio molitor, Baculum extradentatum, Morimus funereus,...), snail (Helix pomatia) and mammals (Rattus sp., Meriones unguiculatus). Electrophysiological studies in vitro and in vivo, histological and biochemical analyses (oxidative stress parameters, nucleotide content, gases turnover, enzyme and receptor activities), monitoring of development and behavior in selected model systems are planned. Obtained results reveal the mechanisms of magnetoreception in evolutionary distant species and whether magnetic field-induced response is unique or species-specific.