 
 <prompt> ```Wetin be di inorganic matter wey dey come from only one place for di list wey dem list? Based on di question wey dey before dis one, write one context wey go contain di answer. E fit be 1 - 20 sentences. Context:``` <response>: The belle dey usually be like straight pipe wey dey get support from mesenteries (vertical partitions within segments), and e end with the anus for the underside of the pygidium. But for members of the tube-dwelling family Siboglinidae, the belle dey blocked by swollen lining wey dey house symbiotic bacteria, wey fit make up to 15% of the worms' total weight. The bacteria dey convert inorganic matter – like hydrogen sulfide and carbon dioxide from hydrothermal vents, or methane from seeps – to organic matter wey dey feed themselves and their hosts, while the worms dey extend their palps into the gas flows to absorb the gases wey the bacteria need. 