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Giant Tube Worm: Riftia pachyptila

The tube worm must take in sulfide, ammonia, oxygen, and carbon-dioxide in order to produce the food necessary for survival
Another one of the more researched hydrothermal vent dwellers is the polychaete annelid, the Pompeii Worm, or, Alvinella pompejana.

The Pompeii Worm is found near the hydrothermal vents along the East Pacific Rise.

Chemosynthesis - WikipediaIn biochemistry, chemosynthesis is the biological conversion of one or more carbon-containing molecules (usually carbon dioxide or methane) and nutrients into organic What is the difference between photosynthesis and Photosynthesis and chemosynthesis are both processes by which organisms produce food; photosynthesis is powered by sunlight while chemosynthesis runs on chemical …Chemosynthesis vs. Photosynthesis - NOAA Ocean ExplorerChemosynthesis vs. Photosynthesis. Ecosystems depend upon the ability of some organisms to convert inorganic compounds into food that other organisms can then …Chemotroph - WikipediaAutotroph. Chemoautotroph; Photoautotroph; Heterotroph. Chemoheterotroph; Photoheterotroph; See also. Chemosynthesis; Lithotroph; Notes. References. 1. …Chemosynthesis and Hydrothermal Vent LifeChemosynthesis and Hydrothermal Vent Life Introduction. Just a few decades ago, submersibles and remote sensing technologies allowed scientists to visit the farthest BEHIND THE SCIENCE 2012 | Chemosynthesis - YouTube8/6/2012 · Video embedded · Explore the science behind chemosynthesis: learn how organisms live in total darkness, thousands of meters below sea levelMode of Nutrition, Autotrophic, Heterotrophic and Autotrophs synthesize organic materials from inorganic materials. Some organisms derive their energy for this process from sunlight and are called photoautotrophs.What is photosynthesis ? - eSchooltodayWhat is photosynthesis? Photosynthesis is a chemical process through which plants, some bacteria and algae, produce glucose and oxygen from carbon dioxide and water Giant Tube Worm - Deep Sea Creatures on Sea and SkyThe giant tube worm, also known to science as Riftia pachyptila, were totally unknown to science until scientists researching the deep Pacific ocean floor discovered

Life at a hydrothermal vent, including giant tube worms, crabs, ..

The answer is Chemosynthesis.
What Is It
Chemosynthesis is the process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates.
Giant Tube Worm
Pompeii Worm
Bibliography
- "Deep-Sea Photography Galleries." Deep-Sea Photography.

The carbohydrates (CH2O) are kept as food and the sulfuric acid (H2SO4) is released.
Examples in Animals
One of the animals of the hydrothermal vent community is the Giant Tube Worm, Riftia pachyptila.

Giant Tube Worm - Deep Sea Creatures on Sea and Sky

Riftia tubeworm () colonies grow where out of the seafloor in undersea hot springs—such as the Guymas Basin of the Gulf of California at 2,000 meters (6562 feet), where MBARI took this photo. As deep below the seafloor changes, sometimes these hot springs stop flowing. In this case, the entire worm colony may die off. But new hot springs appear in other areas, and these are colonized by tubeworm larvae within a year or so. Marine biologists at are studying how rapidly the tubeworms can colonize new hot springs, which may be dozens or hundreds of miles from the old ones. Listen to a from One Species at a Time.

Diagram showing some key features of Vestimentiferan tube worms (adapted from Minic & Herve 2004).Although oxygen is present in the ambient seawater, vestimentiferans such as

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Tubeworms on a Hydrothermal Vent | Smithsonian Ocean …

So how did these very large worms—living in absolute darkness at the Galápagos Rift, more than a mile and a half below the surface–feed? The answer was thrilling, and it revolutionized our understanding of how we define life. Jones and his colleagues found that the worms have evolved to use the heat of the Earth, escaping from hydrothermal vents, to generate their food. What was even more interesting was that the worms themselves don’t make the food. The bacteria living in their gut-wall do. Riftia use hemoglobin in their blood (like the hemoglobin in mammalian blood) to pick up a toxic gas called hydrogen sulfide, which is escaping from the hot vent. Bacteria break down the hydrogen sulfide to sulphur, thereby releasing energy—similar to what happens in photosynthesis, except that plants break down water instead. The bacteria use some energy to survive in Riftia, while Riftia use the rest of the energy transported in proteins and carbohydrates produced by the bacteria to make its own food. This process, called chemosynthesis, is considered one of the great scientific discoveries of the last century.

Giant Tube Worm - Deep Sea Ocean - Google Sites

In the lab, Jones and his fellow researchers made several exciting conclusions. First, the worm was a new species, which they named Riftia (Riftia pachyptila Jones) in 1981, in honor of its home at the Rift. Second, the worm specimens he collected ranged up to six feet long and more than an inch wide—exceedingly large compared to other known deep sea worm species, which typically measure less than one inch in length. Third and most puzzling, Riftia did not seem to have any mouth or a digestive tract! (Later, Jones and his co-workers would find that the larvae have a mouth and a gut, but that the mouth closes over and the gut-wall swells up so that all the space in the gut is lost.)

Riftia pachyptila live over a ..

Jones had studied other deep sea worms—now recognized as annelids of the family Siboglinidae—but this one was different than any other deep sea worm that had been discovered. To be sure, he visited the Galapagos Rift himself on an expedition in 1979 and collected several more specimens from a vent site called the Rose Garden—so named because of the cluster of red plumes of the worms.

This reaction provides the energy needed for chemosynthesis.

Visitors to the Museum don’t need to embark on a deep sea voyage to see Riftia’s bright red plumes extending from white tubes. A specimen that was collected from one of Jones’ trips to the gardens of the Galápagos Rift is currently on display in the .

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