Sunlight does not penetrate to the sea floor making these deep dark ecosystems less productive than those along the continental shelf.
Dark ocean floor.
The lines you have pointed out are actually mapping anomalies.
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R lyeh is a sunken city in the south pacific and the prison of the entity called cthulhu.
Water entering cracks in the crust is heated by magma and mixed with mineral sulphides then belched forth in dark clouds.
R lyeh is a fictional lost city that was first documented in the h.
Sunlight entering the water may travel about 1 000 meters 3 280 feet into the ocean under the right conditions but there is rarely any significant light beyond 200 meters 656 feet.
Deep in the pacific ocean near china is the mariana trench the deepest part of the ocean.
Until the development of sonar we knew very little about the ocean floor.
At depths of over 10 000 feet and covering 70 of the ocean floor abyssal plains are the largest habitat on earth.
Although some sea creatures depend on light to live others can do without it.
In 1977 scientists used submersible vehicles to explore the seabed and discovered vents gushing dark plumes of superhot mineral rich water.
Adaptation is the name of the game when you live thousands of feet below the water s surface.
See how these deep sea denizens make the most of their deep dark home.
But despite their name these plains are not uniformly flat.
Your instinct was right.
This layer is also called the midnight or the dark zone.
The deep ocean is dark very cold and has tremendous pressure from the overlying water.
These black smokers are caused by volcanic activity at mid ocean ridges.
Bathypelagic zone midnight zone the bathypelagic layer is found between 3 281 feet and 12 124 feet just above the abyss.
The ocean is divided into three zones based on depth and light level.
Detailed maps require expensive specially equipped boats.
Scientific research submersibles have explored the ocean s deepest trenches.
Over 75 of the ocean floor lies can be found within this zone with the continental rise starting here.