Sentences with phrase «tube worms»

Tube worms are a kind of creature that live deep in the ocean. They have long, tube-like bodies and survive by feeding on chemicals from underwater vents. Full definition
In the rock record, they stand out as very unusual features that have this strange spaghetti - like appearance related to fossil tube worms and an abundance of other fossils.
As for an actual timeline for those first tube worms, if they exist, it's still very, very early days.
Some deep - sea tube worms get long in the tooth... er, tube.
At first, biologists thought they were ordinary tube worms.
On screen were thousands of tiny orange tube worms and dozens of other animals, some of which were new to science.
In the vicinity of these vents, where temperatures hover at a cozy 30 degrees Celsius, thick mats of chemosynthetic bacteria convert vent chemicals into energy, and in turn support colonies of giant tube worms, huge beds of mussels and a variety of crustaceans.
The colonization of tube worms also brings a group of organisms that live in and around the tubes.
Not just clams but also tube worms and thick mats of bacteria, white or bright orange.
Two years ago, in a kind of crater off the Democratic Republic of the Congo, 10,000 feet down, a team led by Myriam Sibuet of the French Research Institute for Ocean Exploitation, discovered a spectacular cold seep with a vast field of clams and mussels, blue shrimp, purple sea cucumbers, and six - foot - long tube worms growing in bushes next to mounds of gas hydrate.
Last, when only the skeleton is left, microbes eat the bone lipids, animals like tube worms live off them, and the zombie worms eat on.
Reddish tube worms grow inside a whale's carcass.
The first fields discovered at the Galapagos site were named Rose Garden, Garden of Eden, and East of Eden, after the giant red - fleshed tube worms found there.
And on the sea floor, animals that strain food from the water, including tube worms, clams, mussels and barnacles, could also be exposed to oil microdroplets in the water or to residues buried in the sediment.
Bacteria, which feed on methane and other noxious chemicals, provide sustenance for three - foot - long hollow tube worms and tiny clams.
Until James Childress built his unique aquarium, you could find live tube worms only on the ocean floor, at depths of two miles or more.
The typical tube worm larva, they determined, has a potential lifespan of about 38 days, which is apparently enough time to get to another vent and settle down before running out of food.
To assess how long the larvae live and how far they can travel, Donal T. Manahan of the University of Southern California and his colleagues studied larvae of the giant tube worm Riftia pachyptila (right).
After collecting specimens from Pacific Ocean sites, the team reared tube worm embryos to the larval stage by replicating the temperature and pressure conditions of the worm's natural environment, and closely monitored their development.
One tube worm species that has been cultured has a larval stage of about 38 days, Adams says, which may be an approximate limit on how long they can last adrift.
Childress and his grad student Peter Girguis collected tube worms from the East Pacific Rise last fall using Alvin's robotic arms.
A biologist from Rutgers University in New Jersey specializing in polychaetes — tiny caterpillar - like things, also known as bristle worms — he found himself staring out Alvin's porthole at tube worms almost as tall as he was.
Brightly colored 7 - foot tube worms thrive near deep - sea hydrothermal vents and derive their energy from chemosynthetic bacteria.
For years, scientists have been unable to reconcile the nutritional requirements of crustaceans, sea cucumbers, snails, and tube worms nearly a mile beneath the surface with the amount of nourishment — microscopic organisms and other organic matter — that rains down from above.
Since their discovery in 1977, deep - sea hydrothermal vents have offered up a surprising menagerie, including 2 - meter tube worms and eyeless crabs, that thrives in total darkness (ScienceNOW, 29 April and (ScienceNOW 10 March, 1999).
Tube worms release eggs and sperm, typical of most marine invertebrates, which form a planktonic larvae.
The discovery in 1977 of hydrothermal vent communities and giant tube worms emerges as one of the most exciting finds in recent years.
This event earned the name of Tube worm Barbecue for the site.
July 28, 2017 - Sporting names like the Indigo Tube Worms, Ultra Violet Sloths and Orange Chicken, teams of student summer interns matched wits against each other and competitors at Los Alamos National Laboratory and San Jose City College in a series of «capture the flag» challenges that tested their knowledge of...
Flame scallops, anemones, tube worm shrimp and eels shelter in the coral nooks and crannies.
Gray whales, as described by the International Union for Conservation of Nature and Natural Resources (IUCN), are stated to feed primarily on swarming mysids, commonly called opossum shrimps, tube - dwelling amphipods, and polychaete tube worms in the northern parts of their range, but are also known to take red crabs, baitfish, and other food (crab larvae, mobile amphipods, herring eggs and larvae, cephalopods, and megalops) opportunistically or off the main feeding grounds.
Reefs with sponges, giant groupers, octopuses and moray eels, wrecks of combat planes, coast guard boats and tankers, exciting caverns with nocturnal tube worms are visited everyday by hundreds of divers from all over the world.
It grows in thick mats and shares its habitat near fissures in the Earth's crust with a few other hardy microbes and colonies of giant tube worms.
In the modern world, these sites are characterized by an unusual abundance of tube worms, bivalves (clams), molluscs, and other animals that survive on the microbial mats that grow there.
Chemical analyses revealed that this was a carbonate rock formed by the oxidation of methane, and the spaghetti texture was formed by fossil tube worms.
Biologists were surprised to discover that the ecosystems found on the ocean floor along these mid-ocean ridges, consisting of complex organisms like tube worms, clams, and crabs, were dependent for their food on thermophilic chemosynthetic bacteria, which produced organic compounds using the oxidation of inorganic molecules as an energy source, instead of sunlight.
Jericho worms are also tube worms, but much smaller and with circular concentric tubes.
I want to make sure you and I are here to see those first tube worms and lobsters on Europa.
Clustered there, on the midocean ridge near the Galápagos Islands, were giant clams and mussels and six - foot - long tube worms, anchored to the ground and sticking upright.
tube worms... if god..
The real stunner, however, came in the form of what looked like a feathery, elongated lipstick tube: Riftia pachyptila, more commonly known as the giant tube worm.
By contrast, in the tube worm millions of symbiotic bacteria that dwell within the its large plumes grab hydrogen sulfide and other noxious chemicals that seep from the vents and convert them into food and energy for their host, a process called chemosynthesis.
Living several decades longer than its shallow - water relatives, Escarpia laminata has the longest known life span for a tube worm, aging beyond 300 years, researchers report in the August Science of Nature.
Once in northern seas, the whales plow the bottom mud and strain it through flexible baleen plates for tiny, shrimplike creatures and tube worms, fattening up each summer for the return journey south.
Giant tube worms, crabs, and shrimp live in the dark, a mile below the ocean surface, huddled around superheated geothermal vents.
It is this foul - smelling compound that provides food for the clams, tube worms, and other animals that cluster around cold seeps on the seafloor itself.
Scientists have found fascinating ecosystems surrounding these vents, consisting of microbes, mussels, crabs, tube worms and even fish and octopusesand the new vents along the midocean ridge in the Indian Ocean are no exception.
Knowing the lifespan of the larval tube worm and the current conditions at other hydrothermal vent sites should thus enable researchers to predict tube worm dispersal, team member Lauren Mullineaux of the Woods Hole Oceanographic Institute says.
As a result, the shells they inhabit often show signs of wear and, as in this case, colonisation by other animals: on the left and right sides of the shell are anemones, with barnacles and tube worms also attached.

Phrases with «tube worms»

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