What is the primary functional role of the two spade-like forelimbs on *Bipes biporus*?
Answer
Burrowing and moving through the soil
The two existing limbs of *Bipes biporus* are highly specialized tools optimized for its subterranean existence. These forelimbs are described as spade-like precisely because their structure is engineered for digging. They are instrumental in enabling the lizard to effectively burrow through the often sandy or loamy soils of the desert floor, allowing it to construct tunnels, search for prey, and escape unfavorable surface conditions. This adaptation prioritizes efficient underground navigation over terrestrial movement.

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