Chemosynthesis in deep sea vents

While a wide range of electron donors are suitable for use by chemosynthetic microorganisms see Fig. Depending on the nature of the electron acceptor in the reaction, chemosynthesis may either be aerobic or anaerobic Van Dover,

Chemosynthesis in deep sea vents

The Abyssal Zone is one of the many benthic zones we have highlighted to describe the deep oceans. This particular zone is found at depths of 2, to 6, meters 6, to 19, feet and stays in perpetual darkness. Just below the abyssal zone and extending to the bottoms of the deepest trenches is the hadal zone.

Very few animals exist in this habitat. Just above the abyssal zone is the bathyal zone and just above that the photic zone where much of the oceans life exists.

Pressure Because water pressure increases one atmosphere every 33 feet in depth, animals in the abyssal zone must be able to withstand tremendous amounts of pressure. This pressure makes it very difficult for humans to explore the deep ocean.

For example, the deep Marianas trench off of the Philipeans is almost completely unexplored.

Chemosynthesis in deep sea vents

The only submersable that has made these depths is the French bathyscaph Trieste. Animals Animals in the deep ocean are unique.

Because food is scarce in this zone most animals have large gaps to injest any possible food. A great example of this is the deep-sea anglerfish.


In many ways the deep sea is about eat or be eaten. Other deep sea animals include the infamous giant squid, black swallower, tripod fish. Chemosynthesis, the basis of life in the deep sea A remarkable find when submersables starting probing the deep sea was the presence of extraordinary abundance of life around mid-ocean vents.

Previously, scientists believed that little lived at these emense depths. The only food that would have been avaliable was through dead animals floating down from the surface waters. So what was this abundance sustaining itself on? The answer came from the discovery that bacteria in the vents were able to convert hydrogen sulfide coming out of the vents into energy.

These bacteria then supported large tube worms, crustaceans, and multitudes of other organisms. The most amazing part of this find was that science had found organisms whose primary energy source was not the sun.

It was previously thought that life depended on photosynthesis, converting sunlight to energy. This new find spured questions about how life arose on planet earth.

Could it have started through chemosynthesis? Expeditions to the Seafloor Dive and Discover: It is used by the crew in the field to prepare video.Which Organism In Hydrothermal Vent Engages In Chemosynthesis List Of Animals That Use Chemosynthesis - Smart About My Money List Of Animals That Use Chemosynthesis Organisms that use chemosynthesis: PDF Understanding Chemosynthesis At the Deep Sea Hydrothermal Vents.

Understanding Chemosynthesis At the Deep Sea Hydrothermal Vents. Deep Sea Mussels Deep sea mussels are often the first creatures to colonize a hydrothermal vent. Like tubeworms, they too have bacteria inside them that converts energy through chemosynthesis.

Chemosynthesis and Hydrothermal Vent Life

These mussels clump together and can filter food from the water, allowing them to survive a little longer after a hydrothermal vent becomes inactive.

In biochemistry, chemosynthesis is the biological conversion of one or more carbon-containing molecules when hydrothermal ocean vents were predicted to exist in the s. the world's first deep-sea submersible. Chemosynthesis versus photosynthesis Since there is no sunlight at deep-sea hydrothermal vents, plants can not grow, and what puzzled scientists for a long time was what the animals were eating.

Chemosynthesis vs. Photosynthesis. Chemosynthetic bacterial communities have been found in hot springs on land, and on the sea floor around hydrothermal vents, cold seeps, whale carcasses, and sunken ships. Related Links. Multimedia Discovery Missions: Lesson 5 - Chemosynthesis and Hydrothermal Vent Life.

Deep-sea hydrothermal vents form as a result of volcanic activity on the ocean floor. Water seeps through cracks in the Earth's crust, dissolving metals and .

Deep-sea: Hydrothermal Vents