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photoperiodicity |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.05 sec. |
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photoperiodicity the rhythm of certain biological phenomena such as hibernation and reproductive activity which are determined by the regularly recurring changes in light and dark caused by the annual passage of the earth about the sun. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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