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Did complex animals evolve at deep sea volcanic vents?
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[QUOTE="BillTre, post: 6044416, member: 581757"] There are [URL='https://en.wikipedia.org/wiki/Hydrothermal_vent']two kinds of deep sea vents[/URL]: [LIST] [*][B]Vents driven by geothermal heat from hot rock (volcanic) material[/B]: hot, "black smokers", water has lots of dissolved metals, rapid water flow, exit through pipe-like structures, redox difference? [*][B]Vents driven by [URL='https://en.wikipedia.org/wiki/Serpentinite']serpentinization process[/URL][/B]: gentle warmth, water has lots CO2 and H+, white smokers, slow water flow, exit through small channels and intersticies, redox potential difference between outflow and sea water [/LIST] Both have been hypothesized as possible sites where life may have originated. More complex organisms (I would guess) undertook much of their evolution elsewhere, but then evolved to deal with the particular environment of the vent in the vent environment. [/QUOTE]
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Did complex animals evolve at deep sea volcanic vents?
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