What is the source of energy for the life in deep ocean trenches where – InterviewSolution

1.	What is the source of energy for the life in deep ocean trenches where sunlight does not reach?
Answer» In deep ocean trenches, the sunlight does not penetrate. Hence photosynthesis is not possible here. Most of the organisms that live here depend upon subsistence on falling organic matter. This organic matter falls off down from the upper photic zones, where phytoplankton can perform photosynthesis. This organic matter acts as source of energy for the life in deep oceanic trenches.

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