What physical features help the blind snake move efficiently through soil?
Answer
Small, smooth scales and a tapered head.
The physical attributes of *Rena humilis* are a direct consequence of its fossorial lifestyle. The body is streamlined for pushing through dense or loose material. Small, smooth scales reduce friction against soil particles, minimizing resistance during movement. Paired with this, the tapered head allows the snake to easily penetrate compacted earth or follow narrow termite galleries, facilitating its slow, deliberate search for food just beneath the surface.
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