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Unformatted text preview: , though exceptions exist (there are a few lowland tropical species). Found in clearings and meadows throughout all of BC. A few species ( Bombus polaris and B. arcticus ) range into very cold climates where other bees might not be found. One reason for this is that bumblebees can regulate their body temperature , via solar radiation , internal mechanisms of "shivering" and radiative cooling from the abdomen (called heterothermy )....
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- Spring '07