2 Oceanic ZonesSeveral factors used to divide the ocean in to distinct life marine zoneslight availabilitydistance from shorewater depth
3 Zones of Light Availability photic (light) zone: upper part of the ocean where light penetrateseuphotic zone is the topmost part of the ocean where light is strongestaphotic zone: lower part of the ocean where very little or no light penetrates
7 Aphotic Zone no living plants high pressure, low temperatures animals survive by eating detritus or other animalsanimals must adapt to living with no light
8 Zones: Distance from the Shore intertidal zone: where land an ocean overlap neritic zone: seaward from the low tide line, the continental shelf out to the shelf break oceanic zone: beyond the continental shelf
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