A world authority on the physiology of animal hibernation, his studies on adaptation of ani- mals to extreme environments led him to the cold of Alaska, the high altitudes of the Sierra, the exotic demands of long-term undersea existence, and finally the heat of the Nevada desert.
(his studies on adaptation of ani- mals to extreme environments; led; him; to the cold of Alaska, the high altitudes of the Sierra, the exotic demands of long-term undersea existence, and finally the heat of the Nevada desert)
his studies on adaptation of ani- mals to extreme environments
led
him to the cold of Alaska, the high altitudes of the Sierra, the exotic demands of long-term undersea existence, and finally the heat of the Nevada desert