Concept was developed by C. Hart Merriam in 1889.
1The changes happen gradually, one life zone fading into the next.
2Plus coordinates that we've now peered at with giant mirrors, confirming the presence of potential life zone planets!
3His whole life zoned in on this possible carriage out of the hell of the American countryside.
4The Tropical Life Zone is on the left, and inside there is a toucan and a three-toed anteater.
5(For life zones, see C. H. Merriam, Biol.
6The sign says the point of the panorama is to show all the life zones, from the Polar to the Tropical, all in one room.
Translations for life zone