Deep Dark Ocean Floor

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Deep dark ocean floor.

The deep sea is a relatively mysterious and unknown part of the earth as only about 1 of the ocean floor has been explored by humans. Little or no light penetrates this part of the ocean and most of the organisms that live there rely for subsistence on falling organic matter produced in the photic zone for this reason scientists once assumed that life would be sparse. In fact there have been more missions into space than journeys down to the greatest depths of the oceans. Sunlight does not penetrate to the sea floor making these deep dark ecosystems less productive than those along the continental shelf.

But despite their name these plains are not uniformly flat. See how these deep sea denizens make the most of their deep dark home. Devil and the deep dark ocean by the finish syphonic metal band nightwish from the album oceanborn. Scientific research submersibles have explored the ocean s deepest trenches but most are designed to reach only the ocean floor.

The deep sea or deep layer is the lowest layer in the ocean existing below the thermocline and above the seabed at a depth of 1000 fathoms 1800 m or more. Deep sea exploration has revealed varied landscapes which include volcanoes seamounts hydrothermal vents and cold seeps. Scuba divers can explore only to about 40 meters while most submarines dive only to about 500 meters. At depths of over 10 000 feet and covering 70 of the ocean floor abyssal plains are the largest habitat on earth.

Watch the latest in the ocean series how to stop plastics getting into the ocean.