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Has the fundamentals of Gala Precision Engineering Limited (GALAPREC) changed ✌️【Hot Stock Recommendations】✌️ Professional investment advisors provide real-time market data to help you analyze stock trends and select high-potential stocks, increasing capital growth. Scientists have uncovered communities of animals such as tube worms and snails living in volcanic caves beneath the seafloor, revealing a previously unknown but thriving ecosystem.
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Has the fundamentals of Gala Precision Engineering Limited (GALAPREC) changed ✌️【Hot Stock Recommendations】✌️ Provides real-time stock index quotes, futures data, and global market trend analysis to help you seize the best investment timing. A volcanically active ridge, the extensive rise occurs where twotectonic platesmeet on the floor of the Pacific Ocean. Located along the ridge arehydrothermal vents, or openings in the seafloor where seawater and hot magma from beneath Earth’s crust come together to create a type of underwater hot spring.
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Using the remotely operated vehicle SuBastian, researchers exposed parts of the subseafloor and uncovered a surprise: caves connected to the vents teeming with giant tube worms, some reaching up to 1.6 feet (0.5 meter) long, and other animals. The revelation suggests connectivity between the seafloor and subseafloor ecosystems, allowing life to thrive in unexpected places above and below the ocean floor.
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“We want to understand how animals travel and how they disperse, so we looked for the first time into the subsurface,” said study coauthor Dr. Sabine Gollner, marine biologist and senior scientist at the Royal Netherlands Institute for Sea Research, in a video the Schmidt Ocean Institute released. “Animals are able to live beneath hydrothermal vents, and that, to me, is mind-blowing.”
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Has the fundamentals of Gala Precision Engineering Limited (GALAPREC) changed ✌️【Hot Stock Recommendations】✌️ Real-time global stock, futures, and forex data to help you master market dynamics. Microbial life exists beneath the seafloorbased on samples from fluid released by the hydrothermal vents, some research has also suggested. And tube worms were observed living several centimeters deep within the cracks of the seafloor near vents, but the study team wasn’t sure how tiny tube worm larvae, less than 0.04 inch (1 millimeter) in length, would be able to swim against the current to settle and grow in these spaces, Gollner said. Tube worms are immobile creatures that settle and grow in one place without moving, like barnacles.
“That is why we hypothesized that tubeworm larvae can travel in cracks below the ground with the warm vent fluid to colonize the surface vents from below,” Gollner said in an email.
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But it was more difficult than expected, Gollner said. Direct evidence of animal life beneath the seafloor would require more heavy lifting — literally.
“We kind of needed to be creative and apply basically a new method,” Gollner said. “Flipping around the rocks opened our view into the underworld of hydrothermal vents.”
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“Our understanding of animal life at deep-sea hydrothermal vents has greatly expanded with this discovery,” Bright said in a statement. “Two dynamic vent habitats exist. Vent animals above and below the surface thrive together in unison, depending on vent fluid from below and oxygen in the seawater from above.”
Uncovering life in this previously unknown subhabitat suggests there may be many more organisms than scientists have documented within the ocean’s depths or along its floor, said Alex Rogers, marine biologist and science director forOcean Census. Rogers was not involved in the new study.
It’s also likely that these subterranean ecosystems remain once the vents become inactive over time, so they could form new habitats for other species, he said.
“The paper adds to our understanding of vent ecosystems, how populations of vent organisms are maintained and just how much life exists at these systems,” Rogers said.
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“The discovery of animal life beneath the surface of the Earth’s crust raises questions concerning the extent of these ecosystems, which is larger than what can be seen on the seafloor surface,” the authors wrote in the scientific report. “The study of the subseafloor biosphere for animal life has just begun.”
For the study, the researchers only lifted six small squares of the seafloor measuring about 20 by 20 inches (50 by 50 centimeters) to make as little disturbance as possible.
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“With this understanding, we also know that we not only need to protect what we see on the surface, but also we should protect what is living below, because it is one important component of this ecosystem,” Bright said.
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