[permalink] [id link]
Cnidarians often have huge numbers of cnidocytes on their tentacles.
from
Wikipedia
Some Related Sentences
Cnidarians and have
Cnidarians such as Hydra and the sea anemone Nematostella vectensis have become attractive model organisms to study the evolution of immunity and certain developmental processes.
Since fossils of rather modern-looking Cnidarians have been found in the Doushantuo lagerstätte, the Cnidarian and bilaterian lineages would have diverged well over.
Within 2 to 3 weeks, the tertiary colonizers-the macrofoulers have attached including tunicates, mollusks and sessile Cnidarians.
Cnidarians and cnidocytes
Cnidarians are distinguished from all other animals by having cnidocytes that fire like harpoons and are used mainly to capture prey but also as anchors in some species.
Cnidarians and their
Cnidarians were for a long time grouped with Ctenophores in the phylum Coelenterata, but increasing awareness of their differences caused them to be placed in separate phyla.
Cnidarians and .
Cnidarians ' activities are coordinated by a decentralized nerve net and simple receptors.
Cnidarians are classified into four main groups: the almost wholly sessile Anthozoa ( sea anemones, corals, sea pens ); swimming Scyphozoa ( jellyfish ); Cubozoa ( box jellies ); and Hydrozoa, a diverse group that includes all the freshwater cnidarians as well as many marine forms, and has both sessile members such as Hydra and colonial swimmers such as the Portuguese Man o ' War.
Cnidarians form an animal phylum that is more complex than sponges, about as complex as ctenophores ( comb jellies ), and less complex than bilaterians, which include almost all other animals.
Some insects, amphibians, molluscs, crustaceans, Cnidarians, echinoderms and tunicates undergo metamorphosis, which is usually accompanied by a change of habitat or behavior.
Cnidarians ( jellyfish and corals ), echinoderms and polychaetes were spread across the other orders.
The majority of animals more complex than jellyfish and other Cnidarians are split into two groups, the protostomes and deuterostomes.
Cnidarians, which include among others the jellyfishes, are another phylum with many tentacled specimens.
* It has been used as a term to describe the reproductive methods of some forms of Mollusks, Cnidarians, Sponges and Ctenophores.
Cubozoan ocelli are the most complex of Cnidarians, and resemble the image-forming eyes of squid, octopuses, and vertebrates.
Cnidarians are members of the phylum Cnidaria.
One of the most recognizable types of holoplankton are Cnidarians ; also known as jellyfish.
often and have
Most avant-garde creators, true to their interest in the self-sufficiency of pure movement, have tended to dress their dancers in simple lines and solid colors ( often black ) and to give them a bare cyclorama for a setting.
The novelist who has been badly baptized in psychoanalysis often gives us the impression that since all men must have an Oedipus complex all men must have the same faces.
As things turned out, however, we have not profited greatly from the lesson: instead of persistently following a national program of our own we have often been satisfied to be against whatever Soviet policy seemed to be at the moment.
Those who do have occasion to deal with the invasions in a more general way, like T.W. Shore and Arthur Wade-Evans, are on the side of a gradual and often peaceful Germanic penetration into Britain.
Quiney was in London again in June, 1601, and in November, when he rode up, as Shakespeare must often have done, by way of Oxford, High Wycombe, and Uxbridge, and home through Aylesbury and Banbury.
With facts mainly in his mind, he was often acute in the matter of style, and he said, `` The young who have as yet nothing to say will try larks with initial letters and broken lines.
The tiny hamlet of Chesterton to the north, with the fens and marshes lying on down the Ouse River, may have attracted him often, as it did many other youths of the time.
Sociological jargon, Germano-Slavic approximations to English, third-rate but modish fiction, and outrages to common sense have often disfigured Partisan, and in lesser degree, the other magazines on the list.
In the fairly brief but hectic history of Florida, the developers of waterfront land have too often wound up with both their land and ours.
Granted that the Tammany name and the Tammany tiger often were regarded as badges of political shame, the sachems of the Hall also have a few good marks to their credit.
Too often in the past Russian tactics have been used to justify like tactics on our part.
As I say, I wouldn't want to begin a day like this, but I often wonder what the dead would have done.
More often than not I have found easy excuse to leave my own work and stand at a respectable distance where I could watch this man transform raw nature into a composed, not imitative, painting.
The Outdoor Education Project took cognizance of the fact, so often overlooked, that athletic activities stressed in most school programs have little or no relationship to the physical and mental needs and interests of later life.
Harassed state park officials often have more campers than they know what to do with.
In repetitions of the experiment from couple to couple, the votes of the two persons in a couple probably agree more often than independence would imply, because couples who visit the museum together are more likely to have similar tastes than are a random pair of people drawn from the entire population of visitors.
In the tune to which this hymn is most often sung, `` Boylston '', the syllables have and fy, ending their lines, have twice the time any other syllables have.
We have only to think of Lady Macbeth or the policeman-murderer in Thomas Burke's famous story, `` The Hands Of Mr. Ottermole '', to realize that hands often call up ideas of crime and punishment.
A form of objective function that we shall often have occasion to consider is Af.
Finally, he was cooking, washing dishes, bathing the children, and even ironing -- and still his wife refused to have relations as often as he desired them.
Not only do these quacks assume impressive titles, but represent themselves as being associated with various scientific or impressive foundations -- foundations which often have little more than a letterhead existence.
often and huge
Finding that Baldrick has forgotten to write dates on the machine's dials, the rest of the film follows their attempts to find their way back to 1999, often creating huge historical anomalies in the process which must be corrected before the end.
With that knowledge comes power and confidence ; the hero often begins as a childlike figure, but matures rapidly, experiencing a huge gain in fighting / problem-solving abilities along the way.
Among the most noticeable of its qualities were its intricate visual style — often with high levels of background detail — its vivid colours, fast pace of movement from panel to panel and the huge variety of strange characters and scenery.
Although not very well known, it is often cause for huge celebration.
It usually takes one year to build these huge vessels and often a large amount of customization takes place at the request of the owner who commissions the vessel.
She had already become emotionally attached to Russia and often thought of the huge, remote country that was to have been her home.
Environmental watchdogs in Arabia are few, and those that do advocate the wildlife are often silenced or ignored by developers of real estate, most of whom have royal family connections and huge energy profits to invest.
As well as existing as a sport, it often constituted a popular addition to Music Hall evenings, in the larger variety theatres of London or Glasgow which were equipped with huge on-stage water tanks for the purpose.
They continue to be in huge demand, often selling out very large venues, despite criticism of selling out, and claims that arenas and festivals do not suit the band's sound.
# scare headlines in huge print, often of minor news
The huge increase in available fruit in the forests often causes a boom in rodent populations, leading to increases in disease and famine in nearby human populations.
More recently configuration management has been applied to large construction projects which can often be very complex and have a huge amount of details and changes that need to be documented.
This was especially true for major magnate families ( Sapieha and Radziwiłł clans being the most notable ), whose personal fortunes and properties often surpassed those of the royal families and were huge enough to be called a state within a state.
Even when traceable they give out long and winding procedure of procuring the reward ( real / unreal ) and that too with the impending huge cost of transportation and tax / duty charges. The origin of such SMS messages are often from fake websites / addresses.
Though Raeder often disagreed with Hitler on strategy, he was the beneficiary of huge bribes.
The example of alcohol prohibition in the US, which led to huge bootlegging profits for the likes of Al Capone, is often cited.
Listeners remember him for advertising Dobbiroids ( a fictional product for horses ) and the huge number of naïve sound effects he made to assist in the development of humorous and often bizarre plots.
This is expressed in the Gothic architecture of the Central Europe in the huge size of the towers and spires, often proposed, but not always completed.
Crayfish are a well known and much eaten delicacy here, often boiled in huge pots and heavily spiced.
The sunflower is named after its huge, fiery blooms, whose shape and image are often used to depict the sun.
Other traditions are often regional, such as the huge Easter Fires or celebrating the feast of Sint Maarten on the evening of November 11 when children go door to door with paper lanterns and candles, and sing songs in return for a treat.
They are often seen as a huge inspiration for modern death metal.
In the BBC television sitcom May to December, solicitor Alec Callender ( portrayed by Anton Rodgers ) is a huge Perry Mason fan ; he often speaks privately to a large poster of Raymond Burr hanging on his office wall.
They can entirely strip a young tree in the late spring, when they fly at dusk, often in huge numbers.
Small farms in this situation often went bankrupt and were bought up by the wealthy upper class, forming huge private estates.
1.074 seconds.