Parts Of The Ocean Floor Definitions

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Parts of the ocean floor definitions. 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. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Continental margin underwater extension of the continent. It s flat blue and honestly it s kind of boring.

From land the ocean all looks the same. On the sea floor made up of rocks minerals sediments and sand a steep cliff like slope increases water pressure and is where the continent connects with 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. Ocean floor part of the earth s surface beneath the seas and the oceans.

Natural accretion is the buildup of land solely by the action of the forces of nature on a beach by deposition of water borne or airborne material. Trench a place where two plates of the earth s crust hit each other forming a deep part of the ocean. Ocean floor the bottom of a sea or ocean davy jones davy jones s locker ocean bottom sea bottom sea floor seabed abyssal zone the deep sea 2000 meters or more where there is no light bed bottom a depression forming the ground under a body of water. But underneath that surface there s a lot of stuff hidden at the bottom.

Its topography is highly variable. Accretion may be either natural or artifical. Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet. Mid ocean ridge underwater on the sea floor that are made up of magma and run all around the ocean.

It comprises the continental shelf the continental slope and the continental rise. While most life on this planet requires sunlight to live there is an. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. Where plates of the earth s crust along the ocean floor are being split apart molten rock pushes up to form new ocean floors mountain ranges.