But despite their name these plains are not uniformly flat.
Dark ocean floor.
This layer is also called the midnight or the dark zone.
Over 75 of the ocean floor lies can be found within this zone with the continental rise starting here.
See how these deep sea denizens make the most of their deep dark home.
These black smokers are caused by volcanic activity at mid ocean ridges.
The ocean is divided into three zones based on depth and light level.
The lines you have pointed out are actually mapping anomalies.
Sunlight does not penetrate to the sea floor making these deep dark ecosystems less productive than those along the continental shelf.
Scientific research submersibles have explored the ocean s deepest trenches.
Only a small fraction of the seafloor has ever been mapped at high resolution.
Scuba divers can explore only to about 40 meters while most submarines dive only to about 500 meters.
In 1977 scientists used submersible vehicles to explore the seabed and discovered vents gushing dark plumes of superhot mineral rich water.
Lovecraft short story the call of cthulhu first published in weird tales in june 1928.
Your instinct was right.
Deep in the pacific ocean near china is the mariana trench the deepest part of the ocean.
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.
R lyeh is a sunken city in the south pacific and the prison of the entity called cthulhu.
Until the development of sonar we knew very little about the ocean floor.
Join jessi and squeaks and learn all about the super cool super.
Detailed maps require expensive specially equipped boats.
Although some sea creatures depend on light to live others can do without it.
R lyeh is a fictional lost city that was first documented in the h.
Adaptation is the name of the game when you live thousands of feet below the water s surface.
At depths of over 10 000 feet and covering 70 of the ocean floor abyssal plains are the largest habitat on earth.