This page provides all possible meanings and translations of the word chronotropic. Wiktionary(0.00 / 0 votes)Rate this definition: Things that affect or change the heart rate or pulse (i.e. the time between p waves). Origin: Prefix chrono- (referring to time).
An ecozone is the broadest biogeographic division of the Earth's land surface, based on distributional patterns of terrestrial organisms.cozones delineate large areas of the Earth's surface within which organisms have been evolving in relative isolation over long periods of time, separated from one another by geographic features, such as oceans, broad deserts, or high mountain ranges, that constitute barriers to migration.
(zÅn) 1  Any of the five regions of the surface of the Earth that are loosely divided according to prevailing climate and latitude, including the Torrid Zone, the North and South Temperate zones, and the North and South Frigid zones. Ecology An area characterized by distinct physical conditions and populated by communities of certain kinds of organisms.