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Abstract
Environmental temperature strongly affects physiology of ectotherms. Small ectotherms,
like Drosophila, cannot endogenously regulate body temperature so must rely on behavior
to maintain body temperature within a physiologically permissive range. Here we review
what is known about Drosophila thermal preference. Work on thermal behavior in this
group is particularly exciting because it provides the opportunity to connect genes
to neuromolecular mechanisms to behavior to fitness in the wild.