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I ask many people this question and surprisingly most people don't know.
One of those little known dinosaur facts is that the word dinosaur is a relatively new word in the English language. Origins of the Word Dinosaur. The word became popular after biologist and … Delivered to your inbox!Most scientists now concur that at least one great extraterrestrial object struck the planet around the time the The overwhelming majority of scientists are now convinced that birds are theropod Most of the largest herbivorous specimens on record were discovered in the 1970s or later, and include the massive Many modern birds are highly social, often found living in flocks. As such, they have captured the popular imagination and become an enduring part of human culture. Dinosaurs were carnivorous or herbivorous, dwelled mostly on land, and varied from the size of a small dog to the largest land animals that ever lived. Any of various extinct reptiles of the orders Saurischia and Ornithischia that flourished during the Mesozoic Era.
The O.E.D.
Dinosaurs were large reptiles which lived in prehistoric times.
For much of the dinosaur era, the smallest sauropods were larger than anything else in their habitat, and the largest were an The tallest and heaviest dinosaur known from good skeletons is There were larger dinosaurs, but knowledge of them is based entirely on a small number of fragmentary fossils. The Oxford English Dictionary also describes the origin of the slang use of dinosaur, which refers to someone or something that has failed to adapt to a new environment or circumstances. Part of a bone, now known to have been the femur of a The study of these "great fossil lizards" soon became of great interest to European and American scientists, and in 1842 the English paleontologist Richard Owen coined the term "dinosaur".
dinosaur | Origin and meaning of dinosaur by Online Etymology Dictionary DINOSAUR Meaning: "terrible" (see dire) + sauros "lizard" (see -saurus). Dinosaur definition is - any of a group (Dinosauria) of extinct, often very large, carnivorous or herbivorous archosaurian reptiles that have the hind limbs extending directly beneath the body and include chiefly terrestrial, bipedal or quadrupedal ornithischians (such as ankylosaurs and stegosaurs) and saurischians (such as sauropods and theropods) which flourished during the … These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dinosaur.' The word dinosaur literally means "terrible, powerful, wondrous lizards." Evidence of endothermy in Mesozoic dinosaurs includes the discovery of In saurischian dinosaurs, higher metabolisms were supported by the evolution of the avian respiratory system, characterized by an extensive system of air sacs that extended the lungs and invaded many of the bones in the skeleton, making them hollow.The possibility that dinosaurs were the ancestors of birds was first suggested in 1868 by The description of feathered dinosaurs has not been without controversy; perhaps the most vocal critics have been Alan Feduccia and Theagarten Lingham-Soliar, who have proposed that some purported feather-like fossils are the result of the decomposition of collagenous fiber that underlaid the dinosaurs' skin,In 2016, it was reported that a dinosaur tail with feathers had been found enclosed in Because feathers are often associated with birds, feathered dinosaurs are often touted as the Large meat-eating dinosaurs had a complex system of air sacs similar to those found in modern birds, according to a 2005 investigation led by Patrick M. O'Connor.
notes that the term used in that sense first appeared in the Manchester Guardian (now known as The Guardian) on April 3, 1952. "What was once formally considered unique to birds was present in some form in the ancestors of birds", O'Connor said.The discovery that birds are a type of dinosaur showed that dinosaurs in general are not, in fact, extinct as is commonly stated.In the years when the Deccan Traps hypothesis was linked to a slower extinction, Non-avian dinosaur remains are occasionally found above the Dinosaur fossils have been known for millennia, although their true nature was not recognized. For example, as Dinosaurs stand with their hind limbs erect in a manner similar to Dinosaurs diverged from their archosaur ancestors during the Middle to Late Triassic epochs, roughly 20 million years after the devastating When dinosaurs appeared, they were not the dominant terrestrial animals.
The large sizes of some dinosaur groups, as well as their seemingly monstrous and fantastic nature, have ensured dinosaurs' regular appearance in best-selling books and films, such as Birds are now recognized as being the sole surviving lineage of theropod dinosaurs. In the Late Triassic and Early Jurassic, the continents were connected as the single landmass There were three general dinosaur faunas in the Late Cretaceous. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. There is general agreement that some behaviors that are common in birds, as well as in From a behavioral standpoint, one of the most valuable dinosaur fossils was discovered in the Based on current fossil evidence from dinosaurs such as The earliest remains of a syrinx, which has enough mineral content for fossilization, was found in a specimen of the duck-like When laying eggs, females grow a special type of bone between the hard outer bone and the Another widespread trait among modern birds (but see below in regards to fossil groups and extant Because both modern crocodilians and birds have four-chambered hearts (albeit modified in crocodilians), it is likely that this is a trait shared by all archosaurs, including all dinosaurs.After non-avian dinosaurs were discovered, paleontologists first posited that they were ectothermic. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!Learn a new word every day. The idea of dinosaurs as ectothermic remained a prevalent view until Modern evidence indicates that some non-avian dinosaurs thrived in cooler temperate climates and that some early species must have regulated their body temperature by internal biological means (aided by the animals' bulk in large species and feathers or other body coverings in smaller species).
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