• BEHAVIOURAL ADAPTATIONS UNDER UNFAVOURABLE CONDITIONS
    BIOLOGY

    BEHAVIOURAL ADAPTATIONS UNDER UNFAVOURABLE CONDITIONS

    1) Hibernation: Hibernation is a behavioural adaptation in which some small mammals such as shrews, monotremes and bats spend cold season (winter) in inactive condition or deep sleep in a warm and safe place. These small mammals are unable to produce and conserve sufficient heat to carry them throughout the winter season. During hibernation, the rate of metabolism of the body drops greatly. The heart beat and respiration decrease greatly and energy requirement also decreases to the minimum. During hibernation, no food is eaten, instead the animal uses up its stored body fats. The hibernating animal wakes up as the temperature of the environment rises and the metabolic activities speed…

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