Animals undergoes inactive stage during winter, is known as

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Hibernation is the inactive stage during winter or the dormancy during winter. It is known as winter sleep. Aestivation in zoology is the dormancy during summer or dry weather. In botany, it is the arrangement of parts in flower bud. Adaptation is the sum total of environmental condition achieved by the organisms in a habitat. Acclimatization is gradual physiological adaptation in response to enviromental changes.