| 单词 | cartilaginous fish |
| 例句 | It suggests that there might be ecstasy as well as agony in forging an acquaintance with these cartilaginous fishes. Who’s Afraid of the Big Bad Shark? 2022-05-24T04:00:00Z However, the techniques are more advanced nowadays, providing ever more information on the gene sequences of many cartilaginous fishes. Evolution of taste: Early sharks were able to perceive bitter substances 2023-11-13T05:00:00Z Yet sharks and other cartilaginous fish do have smell receptors closely related to bitter taste receptors. Ancient sharks may have pioneered the ability to taste bitterness in food 2023-11-12T05:00:00Z Most cartilaginous fishes live in marine habitats, with a few species living in fresh water for a part or all of their lives. Fundamentals of Biology 2015-01-01T00:00:00Z This occurs in some bony fish, some reptiles, a few cartilaginous fish, some amphibians, a few mammals, and all birds. Concepts of Biology 2013-04-25T00:00:00Z Shark conservation work in Panama is being informed by the study of fossilized shark scales, which reveal how the cartilaginous fish have responded to human intervention over time. Using Fossils to Bring a River Covered in Concrete Back to Life 2022-12-17T05:00:00Z Twelve out of seventeen cartilaginous fish genomes studied contained genes for the taste receptors type 2, with only one T2R gene present in each species. Evolution of taste: Early sharks were able to perceive bitter substances 2023-11-13T05:00:00Z It likely first evolved in vertebrates roughly 460 million years ago, when sharks and other cartilaginous fishes separated from bony vertebrates like ourselves, researchers report today in the Proceedings of the National Academy of Sciences. Ancient sharks may have pioneered the ability to taste bitterness in food 2023-11-12T05:00:00Z Although no bony fish has ever come close to reaching the size of a whale shark, the largest cartilaginous fish, the size of the sunfish found in the Azores is impressive. Not Just a Big Fish, but Perhaps the Biggest Bony Fish Ever 2022-10-18T04:00:00Z Most cartilaginous fishes live in marine habitats, with a few species living in fresh water for some or all of their lives. Concepts of Biology 2013-04-25T00:00:00Z Both animals belong firmly to the branch of jawed fish called the chondrichthyans, the group of cartilaginous fish that include modern sharks, rays and ratfish. Fossilized Fish Reveal Earliest Known Prequel of ‘Jaws’ 2022-09-28T04:00:00Z Sharks are cartilaginous fish with a rectal gland to secrete salt and assist in osmoregulation. Biology for AP Courses 2022-06-09T00:00:00Z Other users identified it as a clearnose skate, a type of cartilaginous fish. Fisherman catches strange creature off Coney Island: 'What the hell is that?' 2020-01-30T05:00:00Z Of the hundreds of species of cartilaginous fish in the ocean, only two — the two known species of manta rays — exhibit this trait, and then only in some populations. The Mystery of the Melanistic Manta Rays 2019-10-14T04:00:00Z All bony fishes, like the cartilaginous fishes, use gills to breathe. Concepts of Biology 2013-04-25T00:00:00Z And the chondrichthyes are cartilaginous fish like sharks, rays and skates. Where Did Fish First Evolve? The Answer May Be Shallow 2018-10-25T04:00:00Z This occurs in most bony fish, many reptiles, some cartilaginous fish, most amphibians, two mammals, and all birds. Biology for AP Courses 2022-06-09T00:00:00Z Now, a new analysis that pulled together data from more than 50 studies suggests a "widespread" underestimation of lifespans among many sharks, rays, and cartilaginous fish. Many Sharks Live a Century—Longer Than Thought 2017-11-13T05:00:00Z Some scientists think of it as the "missing link" between sharks and ray, two distinct kinds of cartilaginous fish that are actually closely related. The Verge Review of Animals: sharks in Las Vegas 2016-01-10T05:00:00Z More recently, a comprehensive 2004 study found 42 carcinomas in Chondrichthyes species, the class of cartilaginous fish that encompasses sharks, skates and rays. Five myths about sharks 2015-07-17T04:00:00Z Sharks, rays, and other cartilaginous fish are at greatest risk, with about 40% facing extinction. Overfishing could push European fish species to extinction 2015-06-03T04:00:00Z This occurs in most mammals, some cartilaginous fish, and a few reptiles. Biology for AP Courses 2022-06-09T00:00:00Z With one notable exception, no evidence remains of what these cartilaginous fish looked like – cartilage just doesn’t fossilize as reliably as bone. The Hypnotic Whorl of Teeth That Keeps Researchers Guessing 2014-02-05T19:02:33Z The elephant shark is among about 1,000 species of cartilaginous fish, including sharks, rays, skates and chimaeras, that diverged from bony vertebrates about 450 million years ago. Observatory: A Window to Bone Disease in a Shark’s Skeleton 2014-01-10T17:17:40Z In contrast, cartilaginous fishes produce extensive dermal bone such as teeth, dermal denticle and fin spine. Elephant shark genome provides unique insights into gnathostome evolution 2014-01-08T18:21:42.027Z The tree was rooted on cartilaginous fish, and shows that the lungfish is more closely related to tetrapods than the coelacanth, and that the protein sequence of coelacanth is evolving slowly. The African coelacanth genome provides insights into tetrapod evolution 2013-04-17T17:21:37.460Z Instead, the genus is nestled firmly within a group of cartilaginous fish known as chimaera, a lineage that includes species commonly known as ghost sharks and ratfish. ScienceShot: Ancient Fish Sported Circular-Saw Jaw 2013-02-27T00:01:00Z Now extending to all jawed vertebrate taxa, except cartilaginous fish and reptiles, this unique class of immunoglobulin is adapted for interactions with the commensal microbiota and mucosal pathogens. Reciprocal interactions of the intestinal microbiota and immune system 2012-09-13T11:20:55.227Z The study is thought to be the first to demonstrate social learning in any cartilaginous fish. Smart sharks pass on feeding tips 2012-09-08T23:08:56Z All key elements of this T-cell lineage are present in the genomes of cartilaginous fishes. b, Diversification of CD4 lineages in mammals. Elephant shark genome provides unique insights into gnathostome evolution 2014-01-08T18:21:42.027Z The tree was rooted on cartilaginous fish, and shows that the lungfish is more closely related to tetrapods than the coelacanth, and that the protein sequence of coelacanth is evolving slowly. The African coelacanth genome provides insights into tetrapod evolution 2013-04-17T17:21:37.460Z Lamprey, lam′pre, n. a genus of cartilaginous fishes resembling the eel, so called from their attaching themselves to rocks or stones by their mouths. Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) 2012-01-11T03:00:23.770Z Dorion, in his book on Fishes, says that the rhinès are best at Smyrna; and that all the cartilaginous fish are especially good in the gulf of Smyrna. The Deipnosophists, or Banquet of the Learned of Athen?us 2011-08-02T02:00:21.843Z But over all, the picture for the cartilaginous fishes remains pretty grim. Green: Putting a Price on Sharks 2011-05-03T12:18:07Z Because cartilaginous fishes are the sister group of bony vertebrates, they constitute a critical outgroup for understanding the evolution and diversity of bony vertebrates. Elephant shark genome provides unique insights into gnathostome evolution 2014-01-08T18:21:42.027Z Almost half the species of Mediterranean sharks and rays are facing extinction, the conservationist organization said, with the cartilaginous fishes making up 14 of the 15 species it considers critically endangered. Green: Mediterranean Fish Species Threatened With Extinction 2011-04-20T01:18:21Z Jack Musick, professor emeritus at the Virginia Institute of Marine Science, helped oversee a global study that suggests roughly 33 percent of cartilaginous fishes are threatened. Global extinction crisis looms, new study says 2010-10-27T04:28:00Z They are mentioned under the two former names by Aristotle in his treatise on Animals, where he classes them under the head of cartilaginous fish. The Deipnosophists, or Banquet of the Learned of Athen?us 2011-08-02T02:00:21.843Z "It was only after these fish vanished from the ecosystem that mammals and cartilaginous fish such as manta rays, basking sharks, whale sharks began to adapt to that ecological role." Giant fish swam prehistoric seas 2010-02-18T19:12:00Z Gnathostomes subsequently diverged into two groups, the cartilaginous fishes and the bony vertebrates. Elephant shark genome provides unique insights into gnathostome evolution 2014-01-08T18:21:42.027Z He remarks that the cartilaginous fishes are viviparous, but that the other species bring forth eggs, and states correctly that they have no alantoid membrane. Lives of Eminent Zoologists, from Aristotle to Linnæus with Introductory remarks on the Study of Natural History Next came, after a long time, a few cartilaginous fishes and corals. Orthodoxy: Its Truths And Errors A name applied to many species of large cartilaginous fish of the family Squalidæ. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. Of all the recent vertebrata, the cartilaginous fishes, or Selachians, have most nearly preserved the form and structure of this primordial skull. Freedom in Science and Teaching. from the German of Ernst Haeckel All key elements of this T-cell lineage are present in the genomes of cartilaginous fishes. b, Diversification of CD4 lineages in mammals. Elephant shark genome provides unique insights into gnathostome evolution 2014-01-08T18:21:42.027Z These most ancient beings of their class were cartilaginous fishes, and they appear to have been introduced by myriads. The World's Greatest Books — Volume 15 — Science Then the candidate was badgered about the pterodactyl, and concerning the difference in anatomy between a bat and a bird, and about the lamprey, and the cartilaginous fishes, and the amphioxus. The Firm of Girdlestone A cartilaginous fish allied to the rays, furnished with electrical organs, by means of which it is able to give powerful shocks. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. They therefore unite the character of cartilaginous fishes with a character peculiar to themselves, and in which we see pretty clear vestiges of the pre-existent crustaceous form. Vestiges of the Natural History of Creation The listed inducer cytokines activate key transcriptional regulators that define the multiple CD4 lineages specialized for producing various effector molecules; genes not found in cartilaginous fishes are struck through. Elephant shark genome provides unique insights into gnathostome evolution 2014-01-08T18:21:42.027Z "But tell me, are you familiar with the differences between bony fish and cartilaginous fish?" Twenty Thousand Leagues Under the Sea Our functional studies suggest that the lack of genes encoding secreted calcium-binding phosphoproteins in cartilaginous fishes explains the absence of bone in their endoskeleton. Elephant shark genome provides unique insights into gnathostome evolution 2014-01-08T18:21:42.027Z The listed inducer cytokines activate key transcriptional regulators that define the multiple CD4 lineages specialized for producing various effector molecules; genes not found in cartilaginous fishes are struck through. Elephant shark genome provides unique insights into gnathostome evolution 2014-01-08T18:21:42.027Z Conseil looked at it with purely scientific fascination, and I'm sure he placed it, not without good reason, in the class of cartilaginous fish, order Chondropterygia with fixed gills, family Selacia, genus Squalus. Twenty Thousand Leagues Under the Sea In contrast, cartilaginous fishes produce extensive dermal bone such as teeth, dermal denticle and fin spine. Elephant shark genome provides unique insights into gnathostome evolution 2014-01-08T18:21:42.027Z "As for cartilaginous fish," Conseil went on unflappably, "they consist of only three orders." Twenty Thousand Leagues Under the Sea |
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