Final answer:
The epipelagic zone, or photic zone, is the most habitable ocean zone due to sunlight penetration and high biodiversity.
Explanation:
The most habitable ocean zone is the epipelagic zone, also known as the photic zone. This zone receives abundant sunlight, allowing for photosynthesis to occur, which supports a diverse range of marine life such as phytoplankton, zooplankton, and fish.
The epipelagic zone is crucial for marine ecosystems as it is where most oceanic life thrives. In contrast, deeper zones like the bathypelagic, abyssopelagic, and hadalpelagic have lower biodiversity and biomass due to limited sunlight penetration.
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