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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 the sea and they ignore the boundaries readily. But scientists have organized the sea into layers because the living environment generally changes with each different layer. Each layer is usually distinguished by the amount of sunlight it receives, the depths it occupies, and the degree of hydrostatic pressure found there.
| About Ocean Zones
Welcome to the realm of the deep. We're talking deep that is so far down that it takes hours to free fall to the ocean bottom. Studying this inner space is truly extreme science. Read more...
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Sunlight Zone
This ocean zone is from the surface of the sea down to a depth of about 200 meters. As you begin your descent you see that the ocean is absolutely teeming with life...Read more...
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Twilight Zone | VIDEO
This life zone is the midwater range and is noted for very low levels of sunlight and virtual darkness for human eyes. Read more...
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Midnight Zone | VIDEO
The deepest, darkest regions of the ocean are found from about 2000 meters down to the sea floor. It is a realm of perpetual darkness, where even the faintest blue tendrils of sunlight cannot penetrate. Read more...
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| Deep Sea Trench Zone | VIDEO
In a few places on the ocean floor there exist unusually deep zones. Nearly three times deeper than the average depth of the sea floor, these zones are known as deep sea trenches. Read more
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