Its head and tail are covered with downy fibres, while other parts of the body sprout tufts or sprays of filaments resembling primitive feathers. The backs of the arms are adorned with branched structures similar to the barbs of a modem bird feather.Dr Mark Norell, from the American Museum ...
那么该插入句之前首先要有关于“粗略理解”的点，之后要有内容上的转折，即“更精确的理解”。结合原文内容，第三段最后讲的是我们对现世动物研究后的推断，第四段讲的是古生物学家希望更明确恐龙的饮食。因此，插入句放在第三个空最合适
Tests showed that the fossil has tissue (组织) from a dinosaur's brain. Experts say that it is from a plant-eating dinosaur. And they think it is probably a relative of the Iguanodon (禽龙). Usually, only hard body parts become fossils. But experts say part of this dinosaur's brain ...
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Paleontologists have yet to discover the remains of a dinosaur where the parts of the body associated with noise-making have been preserved. So they use bracketing to make inferences about these structures. Crocodylians and birds possess an organ in the throat called the larynx, so dinosaurs wou...
Coprolites yield unequivocal evidence about the dietary habits of dinosaurs. Many parts of plants and animals are extremely resistant to the digestive systems of animals and pass completely through the body with little or no alteration. Study of coprolites has indicated that the diets of some ...
The Stegosaurus dinosaur is about 5 meters long, with skin fossils covering an area of about 3 square meters, scattering around the bones with clear lines arranged like scales. "The hard parts, such as bones and teeth of dinosaurs, are relatively easy to form fossils, but the soft parts, ...
of a body, a head and a neck which are rotatably assembled on the body, a tail, legs and feet; the two parts of the eggshell are respectively movably connected with two sides of the body of the dinosaur-shaped object; abutting and fixing sites are arranged on the two parts of the ...
5 out of 5 stars review Seller Verified Purchase Great toy We love this toy, the features on it are great, so many moving parts, arms, feet, mouth and tail. What a great noise as well. Very well made dinosaur and very realistic. International review Review ...
He explored fossil and track sites in China, South Korea, Spain and the United Kingdom.In addition to finding the tracks, Lockley devoted time and energy to preserving these important parts of the fossil record. This includes guiding the politics needed to create UNESCO world heritage sites so...