Numerous studies have illustrated the evolution of insect flight as a both a response mechanism to changes in the environment and even an unnecessary by-product of adjusting to ever-changing niches. Insects with wings were able to overcome environmental selective pressures and thrive. The evolution of wings provided new venues of thermoregulation such as increased core temperatures from muscle contraction and a whole new means of convective cooling through the venous wings.
(A Tau Emerald (Hemicordulia tau) dragonfly in flight)
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