abyssalpelagic zone
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abyssopelagic — living in the water column at 4000 to 6000 metres (or 2500 4000 metres, or 4000 7000 metres, sources differ), seaward of the continental shelf slope break. See also abyssalpelagic zone … Dictionary of ichthyology
marine ecosystem — Introduction complex of living organisms in the ocean environment. Marine waters cover two thirds of the surface of the Earth. In some places the ocean is deeper than Mount Everest is high; for example, the Mariana Trench and the… … Universalium
Ocean — For other uses, see Ocean (disambiguation). Maps exhibiting the world s oceanic waters. A continuou … Wikipedia
Seabed — This article is about ocean floor. For the 2001 song by Audio Adrenaline, see Lift (Audio Adrenaline album). Map showing the underwater topography (bathymetry) of the ocean floor. Like land terrain, the ocean floor has ridges, valleys, plains and … Wikipedia
