Which one of the following is an example of a lung fishA. ScoliodonB. – InterviewSolution

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1.	Which one of the following is an example of a lung fishA. ScoliodonB. CoelacanthC. LabeoD. Protopterus
Answer» Correct Answer - D Circadian rhythm or diurnal rhythm is any 24 hour periodicity in the behaviour or physiology of animals or plants. Examples are the sleep/activity cycle in many animals and the growth movements of plants. Circadian rhytms are generally controlled by biodlogical clocks

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