A geothermal vent on the seabed which ejects superheated water containing much suspended matter, typically black sulphide minerals.
- The purpose of the journey was to observe the life that masses around hydrothermal vents or black smokers.
- The bacteria-like organism lives in a hellish undersea environment where water boils out from underwater vents called black smokers.
- When scientists discovered lush colonies of organisms surrounding black smokers on the ocean floor, they began wondering how these animals maintained their populations.
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