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Botany

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30 Jan 2009 14:28:33 IST

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What is Zeitzeber?

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What is Zeitzeber?

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Lee Luis

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31 Jan 2009 20:32:20 IST

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An environmental agent or event that provides the cue for setting or resetting a biological clock. To be synchronized with our environment , we need the input of Zeitgebers. The most important Zeitgeber in nature is light. Social factors, chemical factors and activity can also serve as Zeitgebers. Light is a so-called photic type Zeitgeber, whereas activity, for example, is called a non-photic Zeitgeber for the biological clock.

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