Aestivation is a state of prolonged inactivity in some animals that occurs during a period of hot weather or drought. Bodily activities such as feeding, movement, and respiration slow down, and the animal expends very little energy; in this respect it is similar to dormancy. It occurs in some insects, snails, and lungfish, for example. In botany, the term aestivation (or estivation) describes the way petals and sepals are arranged in a flower bud. See also hibernation.
Related categories• BOTANY
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