How does the snail acquire materials for its iron-based scales?

Answer

By incorporating iron elements from the vent fluid

The Scaly-foot Gastropod utilizes the surrounding environment to construct its unique integument. It essentially mines the mineral-rich effluent spewing from hydrothermal vents, extracting iron elements directly from the fluid to integrate into its scales. This biological process allows it to build durable iron sulfide armor, which is essential for surviving the physical pressures and potential predatory attacks in its deep-sea habitat.

How does the snail acquire materials for its iron-based scales?

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