The insect wing is thought to have first evolved because it provided the benefit of thermoregulation.Only later,when wings became large,did it also come to provide the important benefit of flight.This is an example of

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This scenario describes exaptation, which is the process of a structure or trait evolving for one purpose and later being co-opted for another purpose as the organism evolves. In this case, wings initially evolved for thermoregulation and later were co-opted for flight. Phenotypic shift refers to a sudden change in an organism's phenotype, which is not the case here. An allele is a variant form of a gene, which is not relevant to this scenario. Meiotic division refers to the process of cell division that produces gametes, which is also not relevant to this scenario.

The Insect Wing Is Thought to Have First Evolved Because