Sentences with phrase «of tube worms»

The most magnificent of the tube worms are the feather and tan worms that inhabit the coral heads and hard surfaces throughout the barrier reef, patch reef environment.

The colonization of tube worms also brings a group of organisms that live in and around the tubes.

The Deep's views of the tube worms look as if they were taken on the planet Zargon.

Some 75 kilometers away in the same gulf, vents within the Alarcon Rise also hosted masses of tube worms, only they were blood - red in color.

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.

Not exact matches

A doomed worm (shown second) dosed with toxin but without the antidote gene forms only bits of a tube, partially visible through its body, and can't feed.

In an experiment inspired by Aesop's fables, Emery presented the rooks with a worm floating out of reach in a tube of water.

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.

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.

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.

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.

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.

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.

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.

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.

Attached like a little wiggly worm at the beginning of the large intestine, the 2 - to 4 - inch - long blind - ended tube seems to have no effect on digestion, so biologists have long been stumped about its purpose.

Normally at sea, the worms come out of the tubes if they are killed by low pressure.

Along with one of his graduate students, he has managed to re-create the tube worms» habitat in the laboratory, the first time anyone has managed to keep the animals alive for more than a few days away from the ocean.

Much of the work there has focused on the Pompeii worm, which builds a protective polysaccharide tube in the hottest part of the vent, making it a leading candidate for the most heat - tolerant animal on the planet.

The objects of his research — tube worms — live along rifts in the ocean floor, feeding on dissolved minerals that well up from Earth's interior.

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.

Bejeweled creatures — squid, comb jellies, octopuses, and tube worms — leap off the black pages in such a luminescent rainbow that you can't help but realize that the «blackness» of the depths is a misnomer.

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Single animals were placed into 5 µl of worm lysis buffer (10 mM Tris — HCl pH 8.3, 50 mM KCl, 2.5 mM MgCl2, 0.45 % NP - 40, 0.45 % Tween 20, 0.01 % Gelatin and 500 µg / ml fresh proteinase K) in a PCR tube.

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.

So hot was the vent water — 403 degrees C — that many of the previous inhabitants, like the giant tube worms, had been baked to death.

That energy then fuels species of snails, shrimp, giant tube worms, and others that have evolved to thrive in these aphotic ecosystems.

Tube worms release eggs and sperm, typical of most marine invertebrates, which form a planktonic larvae.

One such group, the siphonostomes, are tiny flea - like copepods who live directly on the tubes of the giant 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.

The discovery in 1977 of hydrothermal vent communities and giant tube worms emerges as one of the most exciting finds in recent years.

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...

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Retailers will want to stock varieties of sponges, zoanthids, anemones, tube anemones, sea slugs, nudibranchs, Tridacna clams, thorny oysters, flame scallops, feather - duster worms, lobsters, sea urchins, sea cucumbers and tunicates.

Consider stocking at least a few representatives from each of the following groups: Sponges — many types, shapes, sizes and colors Zoanthids — colonial anemones (some can be harmful to true corals) Anemones — short tentacle, long tentacle and carpet Corallimorphs — mushroom anemones, Ricordea, Discosoma and elephant - ear Cerianthids — tube - dwelling anemones Mollusks (with and without shell)-- sea slugs, sea hares, nudibranches, turbo snails and many types of living shells and clams Cephalopods — octopus and cuttlefish Worms — feather dusters Arthropods — crabs, hermit crabs, shrimp and lobsters Echinoderms — sea urchins, sea cucumbers, sea stars (starfish), serpent stars and brittle stars.

Many of the marine worms construct a tube either in soft sediment, or on hard surfaces including coral heads.

Shrimps, brittle stars, nudlibranchs, tube worms and tunicates of every imaginable color are often overlooked by the diver.

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.

Instead of walking or crawling through the world class glow - worm caves at Waitomo, why not hop in an inner tube and leap into an underground river instead?

Lit by the light of glow - worms, you can raft, tube and canyon your way through these mystical caverns.

Instead of walking or crawling through the world - class glow - worm caves at Waitomo, why not hop in an inner tube and leap into an underground river instead?