Sentences with phrase «many sea stars»

The depths of the frigid continent hold hydrothermal vents which house a variety of pale creatures — including predatory sea stars with seven arms...
The lizard with severed tail able to grow a new one, a sea star with severed arm able to regenerate what was lost, a forest taken out by fire able to start anew, a body that has lost blood able to restore its supply.
See Change: Rapid Emergence of New Sea Star Species Illustrates Evolution's Power Two Australian starfish species diverged only 6,000 years ago, offering a glimpse of evolutionary history in the making
That exploded eggplant reminds me of nothing so much as some kind of as - yet unidentified echinoderm (sea stars, urchins, sea cucumber, etc.), many of whom can evert their stomachs.
It's actually located in the Concord Mills Mall complex, so if I could've dragged myself away from BOGO just a bit sooner, we could have checked out the sharks, stingrays, sea stars, sea horses, jellyfish, and thousands of colorful fish, and the interactive touch pool.
The touch pond allowed us to hold sea stars, touch sea urchins, sea cucumbers, and a few other creatures.
In January they reported a host of unusual animals living near the vent, including a seven - armed sea star, a «ghostly white» octopus, and a new species of yeti crab, its underside covered in hairs.
The sea star's ability to regenerate is a little less impressive.
Some species of sea star (known commonly but erroneously as «starfish») use asexual reproduction via fragmentation as their main reproductive mode.
The Northern Pacific sea star (Asterias amurensis) is among the world's most invasive species.
Though this purple and yellow sea star is normally found in shallow habitats, it can live as deep as 200 meters.
The sea star seems to survive because its calcium is nodular, so unlike species with continuous shells or skeletons it can compensate for a lack of carbonate by growing more fleshy tissue instead.
Jellison and colleagues from the UC Davis Bodega Marine Laboratory collected ochre sea stars and black turban snails — two common species along the Pacific coastline — from tide pools on the Bodega Marine Reserve.
Rebecca Gooding and colleagues at the University of British Columbia in Vancouver, Canada, exposed sea stars to rising temperatures and water acidity.
Worms writhe in the goo, clams bask in the bacteria, herds of sea cucumbers dine on diatoms and sea stars scurry across the pitch black landscape.
Among the colourful crabs, sea stars and translucent post-larval octopuses of Temae Reef, at the island of Moorea, French Polynesia, live these stunning sacoglossan sea slugs (Cyerce nigricans).
In fact, the Oregon Department of Fish and Wildlife put submersible vehicles off Oregon's coast during a hypoxic event that went anoxic (oxygenless) in 2006, he says, monitoring conditions and recording numerous carcasses of sea stars, sea cucumbers, marine worms and fish.
A mysterious disease that is turning sea stars to goo has taken off along the Oregon coast, with up to half or more of the creatures being infected in just the last few weeks, scientists say.
Menge said it's too early to say whether the sea stars» mussel - munching could be compensated by whelks in the area.
In addition to leaving a void in a finely tuned ecosystem, the loss of sea stars would also disrupt a seeming iconic shoreline organism.
The current outbreak of sea star wasting syndrome was first reported in June 2013 along the coast of Washington by researchers from Olympic National Park.
[See Images of the Purple Ochre Sea Stars]
Since sea stars can act as keystone predators, meaning their predatory activities shape an ecosystem, their loss could have far - reaching impacts, the researchers say.
This award also brings well - earned recognition to the important work being done by researchers on the front lines of the massive sea star wasting epidemic.»
By eating mussels on the low shores in Oregon, sea stars keep those populations in check so the bivalves don't explode in numbers, at the expense of other organisms.
The disease tends to progress from no outward signs to behavior changes in which the sea stars cross their arms and seem to collapse on themselves.
In one trial, the research team selectively removed the largest species of coral guard - crab, T. flavopunctata, from corals in the path of the army of sea stars and observed the effects.
In 2008 and 2009, four species of coral guard - crabs known to protect coral from predator sea stars were studied in a series of experiments to examine the effectiveness of different species and various sizes of crabs at repelling multiple corallivores.
«Coral's best defender against an army of sea stars: Crabs.»
The die - off also occurred about two years before recent incidents of sea star wasting syndrome were observed along the West Coast.
The scientists documented almost 100 percent mortality of purple sea urchins and six - armed sea stars over the study area, which stretched from southern Mendocino County to Bodega Bay in Sonoma County.
«We might not have known urchins and six - armed sea stars were affected if lab - held animals hadn't died right in front of us,» said the study's lead author Laura Jurgens, a graduate student at UC Davis Bodega Marine Laboratory who earned her doctorate in May.
Outside, the tea - colored ocean washed up carcasses of red abalone, large sea stars, and football - sized, snail - like chitons.
But it might be decades before the more home - bodied six - armed sea stars return to the area, since their babies can only crawl small distances away from their mothers.
«If someone were to come to this area, they wouldn't know these six - armed sea stars existed here, even though this has been a main part of their species range,» Jurgens said.
During the trip, scientists recorded numerous species of marine life never before seen, including a possible new species of seahorse, and a sea star not previously found in Hawaii.
Two sexes are combined in a single individual, as is the case with many snails, worms and some sea stars.
Other sea stars appear to have been less affected, if at all, based on surveys by other researchers, said Hewson.
«Disease among sea stars is likely caused by multiple factors, not just one factor like SSaDV or rising temperature.
As ocean temperatures rise and oceanic diseases proliferate, species like sea stars struggle to survive, and scientists are looking for underlying causes.
Cornell University scientists are beginning to unravel the complicated connections between viruses, the environment and wasting diseases among sea stars in the waters of the Pacific Northwest.
Previous scientific work suggested that sea star - associated densovirus (SSaDV) was the best candidate pathogen responsible for sea star wasting disease (SSWD) among about two dozen species affected by it.
The lake registered at just 31 degrees Fahrenheit, slightly warmer than the coastal seas near McMurdo Station, which teem with sea stars, 100 - pound toothfish and other living things.
An example would be the indirect effects of sea stars on vegetation in the rocky intertidal zone caused by changes in mussel density via predation.
When the researchers dissected the holdfasts, they found a tiny teeming ecosystem that included 10 species of marine invertebrates: two tiny crustaceans, a sea spider, six species of mollusks, and a sea star.
As a young scientist he proceeded to do just that, experimentally removing sea stars in control plots, thereby creating profound changes in the intertidal community he studied.
There, on a rocky crescent of shore, he hurled sea stars into the ocean.
What if he removed sea stars to see what would happen?
These include sea stars, sea urchins, calcifying algae and tube - building worms.
The idea for a simple experiment that essentially involved playing God in the rocky intertidal zone came to him during a visit to the Scripps Institution Wharf in California, as he stood watching the carnivorous sea star Pisaster ochraceus devour the mussel Mytilus californianus.
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