How cold does the temperature have to be for the Arctic Fox’s metabolic rate to increase?
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You're Right! Answer: B. -50°C Thanks to its small size, short snout, ears designed to preserve as much heat as possible, and its thick winter coat (which also covers the soles of its feet!), Arctic Foxes are able to rely on their bodies before having to increase their metabolic rates. Only when temperature dip below -50°C, do their metabolic rates kick into overdrive.
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