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.
The open ocean or pelagic zone is the largest area of the marine ecosystem and contains a diverse environment of life. Although the pelagic zone has the greatest volume and vertical range of any life zone, it is only home to about 10% of all marine species.