I had the same question in Biology)
The theme that explains it is Homeostasis.
An organism unable to balance its internal conditions could become ill and die. They bury into the sand because it is cooler under it. The sun heats only the top part of the sand. So that way they can keep their body temperature they way it should be.
describe the different land regions of Chile?
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I think this will answer you correctly. http://www.tutorvista.com/content/biology/biology-ii/nutrition/human-digestive-system.php
Troposphere
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I don't no u tell me
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1
Temperate forests correspond to forest concentrations formed in the northern and southern hemisphere, or in temperate regions.
cold hot sunny weird
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France is divided into 22 regions (plus four more oversea regions). Most of these regions are themselves divided into smaller administrative areas, the 'départements'