The narrow zone that supports life on our planet. It is limited to the waters of the Earth, a fraction of its crust, and the lower regions of the atmosphere.
Region of earth, air and water occupied by living organisms.
Celokupan prostor na našoj planeti koji je naseljen živim bićima, životni prostor (obuhvata: atmosferu, litosferu i hidrosferu, jer živih bića ima i u vazduhu, i u zemlji, i u vodi).