A global study of vertebrates reveals that body temperature is the key driver behind brain size evolution. Warm-blooded species like mammals and birds can maintain the energy demands of larger brains, while cold-blooded species are limited by fluctuating external temperatures.
A global study of vertebrates reveals that body temperature is the key driver behind brain size evolution. Warm-blooded species like mammals and birds can maintain the energy demands of larger brains, while cold-blooded species are limited by fluctuating external temperatures.
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