What energy source fuels the ecosystem around hydrothermal vents?
Answer
Chemosynthesis
Unlike surface ecosystems that rely on sunlight to drive photosynthesis, the biological communities clustered around deep-sea hydrothermal vents are fueled by chemosynthesis. In this process, specialized microbes convert chemical energy derived from the mineral-rich vent fluids into organic matter. This chemosynthetic base supports the entire local food web, including the scaly-foot gastropod, which feeds on these bacteria. This reliance on chemical energy rather than solar energy allows life to flourish in the total darkness of the deep ocean, far removed from the sunlit surface waters.
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