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10 September, 22:49

Why is primary production and animal life concentrated at the surface in pelagic regions of the open-ocean?

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  1. 10 September, 23:04
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    Photosynthesising primary producers require sunlight. Therefore, in the ocean, phytoplankton would be concentrated within the surface layers of the ocean where the sunlight penetrates. Phytoplankton support a wide range of marine life: zooplankton feed on phytoplankton, which in turn support fish and so on.
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