The BristleCone Pine Forest Hike
Copyright 2001 Kartik Sheth
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An example of how a bristlecone survives
Bristlecones have an amazing ability to turn off nutrients to all but one part of their body when conditions are harsh. This part continues to grow and flourish and that is one reason why they can live to such ripe old ages. Here is an example of a Bristlecone showing this feature with a dead top and live branches below