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Tuesday, January 29, 2008

What are the different layers of the ocean?


What are the different layers of the ocean?

Did you know that if you took a trip to the bottom of the ocean, you would pass through several layers?

First you would pass through the sunlit shallow water, where you can see many beautiful fish and plants. After about 200 metres however, you will enter the twilight zone. It is shady here, and there will be fewer fish and plants because there is less sunlight.

Below 1000 metres, you will enter the dark zone. It is quite scary here because it is cold and the water appears black. Yet even here, there will be some strange looking creatures like tube worms, which feed on the bacteria that are present in the water. Occasionally, you may see tiny pinpoints of light. This light is produced in the skin of some animals which live here, and is called bioluminescence.

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