Adaptation is the process of changing to fit new conditions, or the change itself. In biology, it means features that help a living thing survive; in art, it is a version of a work changed into a new form.
From Late Latin 'adaptatio', from 'adaptare' (to adapt). It has been used for both biological and artistic changes for centuries.
A polar bear’s fur and a movie based on a book are both called adaptations—they’re both solutions to a new environment. One solves ice and cold; the other solves 'how do we turn these pages into pictures and sound?'.
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