+The **Deep Sea** refers to the lowest layer of the [Ocean](/wiki/ocean), largely unexplored and defined by extreme [Pressure](/wiki/pressure). It is a vast, dark realm where sunlight cannot penetrate, nurturing unique life forms adapted to its harsh conditions.
+## See also
+- [Marine Life](/wiki/marine_life)
+- [Hydrothermal Vents](/wiki/hydrothermal_vents)
+- [Oceanography](/wiki/oceanography)
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