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life span
life span psychology
life story
life-support
life-support system
life table
life-threatening
life vest
life zone
lifeblood
lifeboat
lifeguard
lifeless
lifelike
lifeline
lifelong
lifelong learning
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life zone
life zone (plural life zones)


noun 
Definition:
 
U.S. region with characteristic life forms: an area with a characteristic or identifiable set of animal or plant life forms
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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