3 ms·
The directional bristles for anchoring to dirt (more noticeable on the larger earthworm species) are the remnants of polychaete parapodia. Similar to snakes tha
by kevin_thibedeau 1y ago
The directional bristles for anchoring to dirt (more noticeable on the larger earthworm species) are the remnants of polychaete parapodia. Similar to snakes that occasionally have remnant claws.