The naked mole rat lacks a circadian rhythm of activity- The ultimate.pdf

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The naked mole rat lacks a circadian rhythm of activity. The ultimate reason for the lack of this rhythm is naked mole rats do not hive the genetic information that would enable them to develop a brain capable of circadian riythms. because naked mole rats live underground, they are not exposed to daily changes in light intensity and thus have no cues for the entrainment of a circadian rhythm. the environment of the naked mole rat is such that queens and kings gain no reproductive advantage by huving a sterile work force that is active on a 24 -hour schedule. naked mole rats are primitive mammals that do not have the sophisticated mechanisms that control circadian rivthms..

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