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There are five major oceans, the Atlantic, the Pacific, the Indian, the Arctic and the Southern Ocean.

en.wikipedia.org/wiki/Oceanic_zone

The oceanic zone begins in the area off shore where the water measures 200 meters (656 feet) deep or deeper and extends to the ocean floor. It is the region of ...

www.seasky.org/deep-sea/ocean-layers.html

Scientists have divided the ocean into five main layers. These layers, known as zones, extend from the surface to the most extreme depths where light can no ...

www.mbgnet.net/salt/oceans/zone.htm

Light Zones. The ocean can be divided from its surface to its depth into three zones based on the amount of light received. They are: Sunlight Zone 1.

www.ck12.org/earth-science/Ocean-Zones/lesson/Ocean-Zones-HS-ES

Feb 24, 2012 ... The aphotic zone is subdivided based on depth (Figure below). Diagram of the vertical and horizontal ocean zones. Vertical and horizontal ...

www.nhptv.org/natureworks/nwep6c.htm

If you look beneath the surface of the open ocean, you'll find a diverse and unique environment. - NatureWorks.

php.radford.edu/~swoodwar/biomes/?page_id=408

I. Horizontal zones (those extending from land out to sea). A. Coastal Zone: that region in which tides expose the sea bottom for some part of each day.

www.kids-fun-science.com/oceanic-zones.html

Oceanic zones are specific areas of the ocean. Most ocean life lives in one specific zone. Marine biologists have discovered some animals, whales, can dive to ...

www.the-science-site.com/oceanic-zones.html

There are four major oceanic zones where plants and animals live in the ocean. The four major zones are intertidal zone, neritic zone, open ocean zone and ...

www.extremescience.com/ocean-zones.htm

Scientists have organized and classified the oceans into various zones, each with its own characteristics. These zones aren't known to the creatures that live in  ...