What has been suggested as a means for hydrothermal vent organisms to disperse over great distances between vent systems?

Answer :

Whale falls have been suggested as a means for hydrothermal vent organisms to disperse over great distances between vent systems.

A whale fall is the name given to a dead whale whose carcass has sunk deep into the ocean. This carcass becomes a source of various nutrients for the deep-water creatures.

Initially, scavengers break-down the soft tissues over the first few months. Meanwhile, several opportunists colonize the bones and surrounding sediments. These organic materials enrich the sediments nearby for almost a year.

The skeleton of the whale is rich in lipids.  This provides the means for the development of chemo-synthesis-based communities like hydrothermal vent organisms. It also provides a substrate for invertebrate colonization.

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