Sentences with phrase «alvinae tubeworms»

The dominant tubeworms (genus Oasisia) are not common elsewhere in the Gulf.

These vents have been colonized by the largest and densest colonies of Oasisia alvinae tubeworms ever observed.

Strawberry Fields is named after a colony of red - plumed tubeworms that live on it.

Codependency is their MO: They harbor bacteria in their tissue that produce food for them; in turn, the tubeworm absorbs minerals and nutrients that feed the bacteria.

Tubeworms have no mouth, gut, or anus.

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.

The vents have been colonized by dense communities of tubeworms and other animals unlike any other known vent communities in the in the eastern Pacific.

These seeps support an entirely different community of animals, including anemones, tubeworms in the genera Lamellibrachia and Escarpia, and broad, white mats of bacteria.

One thing that all of these communities have in common is that the dominant tubeworms and clams host specialized intracellular bacteria (symbionts) that allow these animals to exploit potentially toxic chemicals in the vent fluids as sources of nutrition.

For example, plastic items are commonly colonized by barnacles, tubeworms and algae.

The discovery gives wider insights into future research on the mechanisms of symbiosis in other marine organisms such as giant tubeworms and giant clams.

The general mechanisms of symbiosis revealed in the study are of relevance to other symbiotic organisms such as deep - sea tubeworms and giant clams.»

In the hot - house tubeworm, new cells persist, enabling the worm to grow fast, but as these long - lasting cells age, they seem to shorten the giant tubeworm's lifespan, she adds.

The giant tubeworm, Riftia pachyptila, grows rapidly but dies young and relatively small.

If both species have such rapid DNA production, they should both grow fast, but they don't because cells in the cold seep worm die much faster than in the giant tubeworm, Pflugfelder says.

VIENNA, AUSTRIA — Even among tubeworms, there are hares, and there are tortoises.

A hull that is left in the water all year, especially in warm waters, attracts a living zoo of barnacles, tubeworms, freshwater zebra mussels and other wildlife.

«After about three weeks I started to notice that there were barnacles and tubeworms growing on the back side of this tile but not where I had treated it.»

That opens the possibility of the presence of larger life, such as tubeworms and crabs, that had evolved in isolation for thousands of years, Priscu says.

Glover hypothesizes that young, prehistoric tubeworms may have been traveling from one deep - sea vent to another when they came across the carcass of a marine animal.

At the moment, scientists have confirmed, using DNA analysis, that snotworms are closely related to the tubeworms that thrive around hydrothermal vents and probably have existed for as long as whales, if not longer.

While a 300 - year - old tubeworm sounds impressive, it wouldn't be the longest living organism on Earth, or even in the sea.

Compared to them, tubeworms (and us humans), live and die in the blink of an eye.

Others are free - living and may be found growing on many different surfaces, including rocks, tubeworm tubes and other animals, and even inside chimneys.

A number of other tubeworms and «feather - dusters» also inhabit the vents.

Limpets, small molluscs whose shells look like tiny, flattened hardhats, also live on and around the tubeworms.

The vent mussels also have a reduced but functional digestive system, which may afford them faster growth rates and, hence, a competitive advantage over the tubeworms.

By means that are not entirely understood, the tubeworm provides all the chemicals necessary for the bacteria to make food, including sulfur, oxygen, and carbon dioxide, and the bacteria manufacture sugars or some other form of energy - rich molecules that provide nutrition to the tubeworm.

Where clams, mussels, and tubeworms dominate the vents of the Pacific, another group of organisms, the «blind» shrimp, dominate the vents of the mid-Atlantic Ridge.

This mystery of the deep was solved by a graduate student at Harvard University, Colleen Cavanaugh, who relates the story of jumping up in class and shouting that she figured out how the tubeworms make their living.

Thus, a food web is established, consisting of primary producers (chemoautotrophic sulfur bacteria), the secondary producers (tubeworms, mussels, clams, shrimp), and predators (fishes) or detritivores (crabs).

Whereas symbiosis is the norm for the Pacific tubeworms and bivalves, the Atlantic vent shrimp appear to scrape bacteria from the debris surrounding a vent.

Most certainly, the blood - red hemoglobin that fill the tubeworm's cardiovascular system and is so highly visible as the red gill - like polyps that extend from its tube is important in the transport of sulfur and oxygen.

Three years after its discovery, scientists returned to find mounds of mussels covering the vents, and very few tubeworms, for which Rose Garden was named.

Like the giant tubeworm, the mussels have symbiotic bacteria, but these bacteria are contained in the mussel's gills.

It appears that these copepods feed directly on the flesh of the tubeworm.

In organized communities around the bases of these vents, called black smokers, scientists found clams, crabs and exotic, giant tubeworms measuring 6 feet (2 meters) long.

The vents exist on the seafloor as much as 1.5 miles below the surface and support a rich ecosystem that includes fish, shrimp, tubeworms, mussels, crabs and clams.

You'll also find a large assortment of algae, mollusks, jellyfish, tubeworms, sea grasses and sponges.

«Rarely seen deep - sea species such as tilefish, tubeworms, and viperfish are also represented.»

(In fact, there were communities of chemosynthetic bacteria and a kind of tubeworm living at all the methane seeps they visited.)

Among the most remarkable species found near the vents were striking pale octopuses, yeti crabs, snails, and barnacles; absent were the tubeworms, vent crabs, mussels and shrimp commonly found near underwater vents in the Pacific.