Scientists refer to the vertical extent of ocean water as the water column. Two main zones based on depth of water are the photic zone and aphotic zone. ... There is enough sunlight for photosynthesis only in the photic zone. Water also gets colder as you go deeper.Jun 22, 2020
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Zones Based on Depth of Water
Scientists refer to the vertical extent of ocean water as the water column. Two main zones based on depth of water are the photic zone and aphotic zone. ... There is enough sunlight for photosynthesis only in the photic zone. Water also gets colder as you go deeper.Jun 22, 2020
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