Photo: Community of undersea vent life forms, tube worms and colony of crabs live in a hot, nutrient-rich water
Caption: In 1977, geologists aboard the submersible "Alvin" from Woods Hole Oceanographic Institute discovered the 1st hydrothermal vents containing a rich, never before seen biological community on the Galapagos Rift. There are still many unknowns about vent ecology.
Source: Woods Hole Oceanographic Institute
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