The seabed (also known as the seafloor, sea floor, or ocean floor) is the bottom of the ocean Structure. This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (March 2015) (Learn how and when to ...
Exploring the deep ocean floor: Hot springs and strange creatures The ocean floor is home to many unique communities of plants and animals. Most of these marine ecosystems are near the water surface, such as the Great Barrier Reef, a 2,000-km-long coral formation off the northeastern coast of Australia.
LIFE FORMS PRESENT AT THE BOTTOM OF THE OCEAN . Extremophiles have been discovered by the scientists, which are exotic creatures, thriving on the ocean floor. Ocean floor is one place where scientists could not think about the possibility of life owing to lack of sunlight and presence of extreme pressure.
The bottom of the ocean is more of a "sunken place" than it used to be. In recent decades, melting ice sheets and glaciers driven by climate change are swelling Earth's oceans.
Plate tectonics and the ocean floor. The shape of the ocean floor, its bathymetry, is largely a result of a process called plate tectonics. The outer rocky layer of the Earth includes about a dozen large sections called tectonic plates that are arranged like a spherical jig-saw puzzle floating on top of the Earth's hot flowing mantle. Convection currents in the molten mantle cause the plates ....
Demersal fish can be divided into two main types: strictly benthic fish which can rest on the sea floor, and benthopelagic fish which can float in the water column just above the sea floor.. Benthopelagic fish have neutral buoyancy, so they can float at depth without much effort, while strictly benthic fish are denser, with negative buoyancy so they can lie on the bottom without any effort.
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The ocean floor covers 70% of the Earth’s surface. We know very little about the deep ocean floor and the life it holds due to the depth and the difficulties this creates for scientists. In fact, it has been said that we know more about the surface of the moon than about the deeper ocean trenches. Here are 15 crazy facts about the ocean floor.
Even SpongeBob may not be able to tell us precisely where the bottom of the ocean is. It is an irony that we know more about the surface of the moon than we know about Earth’s ocean floor. 70% of Earth’s surface is covered by water. Very little or no light penetrates beyond a few hundred feet in water.
The problem with that approach is that our oceans are vast and ships are small—meaning only a tiny percentage of the ocean floor (between 5 - 15 percent, NASA estimates) was mapped.