Why do deep-sea organisms cluster around hydrothermal vents?
A) these organisms prefer the warmth of the vent
B) these organisms depend on the organic material drifting down from surface waters to the vent for food
C) these organisms obtain energy by chemosynthesis from inorganic molecules of vents
D) these organisms have a light phobia
E) these organisms use the pressure of the deep ocean to metabolize organic molecules

Question

Quizplus · Accepted Answer

Deep-sea organisms cluster around hydrothermal vents because they obtain energy by chemosynthesis from inorganic molecules of vents. The vents emit hot water and minerals which form a unique ecosystem that is not dependent on sunlight.

Why Do Deep-Sea Organisms Cluster Around Hydrothermal Vents