Giant Tube Worm

minerals precipitate ocean chimney tube floor giant pacific form water bacteria worm near issues—commonly vent live hydrothermal heated vents cylindrical structures dissolved contacts near-freezing begin gaps solomon lipsticks volcanically roughly particles protective tubeworm years inhabitant islands tubeworms mile deep super-heated zinc billions gets resembling vents—fissures stages truly earth's surface geothermally active places tectonic plates diverge offered fluid deposition iron making porous white stomach survival depends symbiotic relationship inside grow feet long unique ideally adapted removable crust height mineral copper course home eyes carbohydrates inches scientists acrylic formed stacks initial anhydrite sulfides time worms’ mouth using wide discovered stand riftia pachyptila