8.E.1.2 Vocab review

Front

Portion of a lake/ocean with little sunlight; depths where <1% sunlight penetrates.

Back

Aphotic Zone

Front

Area between high and low tide marks

Back

intertidal zone

Front

Ecological region at the lowest level of a water body, including sediment surface and some sub-surface layers.

Back

Benthic Zone

Front

Shallow ocean part above continental shelf drop-off, ~200m deep.

Back

Neritic Zone

Front

Surface layer of the ocean receiving sunlight

Back

Photic Zone

Front

Sunlit top layer of ocean beyond continental shelves; life scarce, nutrients low.

Back

Open Ocean

Front

Wind-driven process where nutrient-rich, colder water rises to the surface.

Back

Upwelling

Front

Downward movement of fluid in the sea, atmosphere, or deep water.

Back

Downwelling

Front

Freshwater meets saltwater; nature's nursery.

Back

Estuary

Front

Microscopic marine producers/base of aquatic food web

Back

Phytoplankton