Polar gigantism is the tendency of Arctic and Antarctic fauna to have unusually large body sizes. One theory proposed to explain the phenomenon is the oxygen-temperature hypothesis, which argues that greater oxygen content in colder waters supports larger organisms.
Polar gigantism is the tendency of Arctic and Antarctic fauna to have unusually large body sizes. One theory proposed to explain the phenomenon is the oxygen-temperature hypothesis, which argues that greater oxygen content in colder waters supports larger organisms.
Source: Wikipedia "Polar gigantism" · CC BY-SA 4.0
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