Where are chemosynthetic organisms located in the Gulf?
At seeps and vents, bacteria use chemical energy from sulfides, methane, and other hydrocarbons seeping out of fissures on the seafloor to make food (chemosynthesis). These bacteria can be found growing in thick mats, as well as living symbiotically in or on animals, and are the basis of the food chain at cold seeps.
What are two chemosynthetic ecosystems on the seafloor?
Many polychaetes are adapted to living in chemosynthetic ecosystems, which include deep-sea hydrothermal vents, cold seeps and whale-falls.
What is a chemosynthetic community explain?
Chemosynthesis occurs in bacteria and other organisms and involves the use of energy released by inorganic chemical reactions to produce food. All chemosynthetic organisms use energy released by chemical reactions to make a sugar, but different species use different pathways.
Where are the extreme environments that chemosynthesis takes place?
Many of these bacteria live in extreme conditions and are the essential building blocks of diverse ecosystems. Some of these environments where chemosynthesis can take place include the intestines of mammals, hot springs, petroleum deposits, and hydrothermal vents deep on the ocean floor.
What lives in cold seeps?
Organisms such as shrimps and crabs feed on the detritus produced by the mussels, clams and tubeworms, and predatory organisms such as octopus, fish and crustaceans are then attracted to this vibrant community to complete the food chain. Many of the species present are only found in association with cold seeps.
Where would you go to find black smokers deep sea hydrothermal vents?
A black smoker or deep sea vent is a type of hydrothermal vent found on the seabed, typically in the bathyal zone (with largest frequency in depths from 2500 m to 3000 m), but also in lesser depths as well as deeper in the abyssal zone.
Where do chemosynthetic get their energy?
Chemosynthesis is the conversion of carbon (usually carbon dioxide or methane) into organic matter using inorganic molecules (hydrogen or hydrogen sulfide) or methane as an energy source. Most energy is initially derived from sunlight via plant photosynthesis.
What is an example of a chemosynthetic organism?
Iron-oxidizing bacteria (reddish color in the water) is an example of a chemosynthetic organism. This kind of bacteria oxidizes manganese ions to produce their food. Methanogens are prokaryotic bacteria that produce methane as a byproduct and are responsible for marsh gas.
Where can you find colonies of chemosynthetic symbionts name two locations?
Symbioses between chemosynthetic bacteria and eukaryotic hosts can be found almost everywhere in the ocean, from shallow-water seagrass beds and coral reef sediments to the deep sea.
Where are cold seeps located?
Cold seeps are the areas of the ocean floor where hydrogen sulfide, methane, and other hydrocarbon-rich fluid seepage occur. Such seeps occur over fissures on the seafloor caused by tectonic activity. Fluid seepage out of those fissures gets diffused by sediment, and emerges over an area several hundred meters wide.
Are there lives around hydrothermal vents?
Since hydrothermal vents were first discovered in 1977, scientists have identified over 300 animal species living at them. Ninety-five percent of these are unique to the vent environment, and thus were previously unknown. Some, like the tube worms, are not closely related to anything else.
Are there chemosynthetic communities in the Gulf of Mexico?
Chemosynthetic Communities in the Gulf of Mexico. Additional research expeditions in the area revealed other types of communities, including a few types of mobile clams and extensive mussel beds. We once thought the area was nothing but mud. Suddenly, we found dense groups of organisms living on the bottom of the Gulf.
What is the deep sea floor like in the Gulf of Mexico?
Most of the deep sea floor in the Gulf of Mexico is composed of soft, rather featureless, muddy sediment. About 15 years ago, several fascinating discoveries were made in this sparsely populated environment.
Will we find the same endemic species at all seep sites?
We expect that as we collect samples from different sites around the Gulf, we will find the same endemic species, though we may be surprised. Hopefully, we will be able to satisfy some unanswered questions when we explore more new seep sites.
Why do animals live in chemosynthetic communities?
Many other animals are associated with these chemosynthetic communities because of this increased productivity. At first, many small, grazing animals, such as snails and shrimp, move into the areas and eat large numbers of bacteria. They are able to withstand the high concentrations of chemicals in the area.