JAMB - Biology (2018 - No. 49)
Physiological adaptation to very dry conditions in animal demonstrates
Xeromorphism
Hibernation
Aestivation
Rejuvenation
ব্যাখ্যা
Aestivation or æstivation is a state of animal dormancy, similar to hibernation, although taking place in the summer rather than the winter. Aestivation is characterized by inactivity and a lowered metabolic rate, that is entered in response to high temperatures and arid conditions.