creature, de-evolution concept, humanoid form, regressing traits, ape-like features, hunched posture, coarse fur, primitive clothing, animalistic behavior, forest background, ancient trees, misty atmosphere, dim lighting, evolutionary timeline, Darwinian theory, survival of the fittest, natural selection, full body view, dynamic angle, textured skin, muscular structure, expressive eyes, wild gesture, environmental adaptation, prehistoric era, dusk light, evolutionary biology, scientific illustration, detailed fur, 3/4 composition, focused foreground, blurred background.