Sentences with phrase «as black smokers»

These vents (also know as black smokers) expel minerals dissolved by water which bacteria use to in chemical reactions to produce energy and support ecosystems involving larger multi-cellular lifeforms that feed off of of the massive and fast - growing bacterial populations.

Hydrothermal vents, known as black smokers, were first discovered on Earth in 1977 on the Galápagos Rift [see «The Crest of the East Pacific Rise,» by Ken C. Macdonald and Bruce P. Luyendyk; Scientific American, May 1981].

The devices photographed and returned samples from five groups of vents, known as black smokers for their chimneylike appearance.

These vents are known as black smokers for the plumes of dark hydrogen sulfide they belch into the ocean.

Not exact matches

Black smokers produce the hottest water ever discovered on Earth, more than 400 °C, and have even been suggested as a possible site for the first evolution of life.

The seafloor along the Alarcón Rise is covered in young, fresh lava, and the fluids spewing out of the vents are very hot (up to 360 degrees Celsius) and rich in metal sulfides that form dark, crumbly chimneys known as «black smokers.»

In 1998, a bot known as ROPOS («Remotely Operated Platform for Ocean Science») sawed a black smoker free from the sea floor and hauled it up to allow scientists to examine its structure and unique organisms.

In a section called the Faulty Towers Complex, a black smoker called Finn is home to a bacterium — strain 121 — that holds the world's record for heat tolerance: It lives in water as hot as 250 degrees Fahrenheit.

In the late 1970s, Alvin and his passengers discovered the first known hydrothermal vents, or «black smokers» as they are sometimes called.

The «black smoker» chimneys are often colonized by giant tubeworms in the genus Riftia, which grow over two meters (six feet) long, as well as limpets, crabs, squat lobsters, and Alvinella palmworms.

Black smokers are by nature ephemeral, so the animals there are adapted to colonizing new springs as old ones wink out.

In his latest experiment he has shown that with a slurry of ferrous and nickel sulfides to help the reaction, the gases known to be present in black smokers will form acetic acid and an activated form of acetic acid known as a thio ester.

Methane Cold Seeps Methane cold seeps are similar to the more famous black smokers in that they form isolated ecosystems as oasis in the deep ocean, but are lower temperatures and form away from mid-ocean ridges.

Although the evidence was subsequently contested, some single - celled microbial life lacking a nucleus that segregates their internal DNA or RNA («prokaryotes») from the surrounding cytoplasm may have flourished in darkness within cracks in Earth's seafloor crust and around deep, warm or boiling hot ocean springs (hydrothermal or volcanic vents, such as at Lost City or at black smokers) without a need for light or free oxygen in the oceans or atmosphere.

Hydrothermal vents on the ocean floor known as «black smokers» may support undersea habitats on Europa, as on Earth (more).

These spheres were identified as framboids which are seen world wide in black smokers, algal mats and are commonly found in sediments [4].

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