Concept was developed by C. Hart Merriam in 1889.
1 The changes happen gradually, one life zone fading into the next.
2 Plus coordinates that we've now peered at with giant mirrors, confirming the presence of potential life zone planets!
3 His whole life zoned in on this possible carriage out of the hell of the American countryside.
4 The 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.
6 The sign says the point of the panorama is to show all the life zones , from the Polar to the Tropical, all in one room.
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Translations for life zone