Complete the passage with proper words or the us given.用适当的单词或所给单词的适当形式完成短文。How do we know dinosaurs(恐龙) lived on the earth?We know because we have found fossils(化石) in rocks(岩石)all over 1.world. In the picture, the science workers 2.(dig) dinosaur fossils...
Dinosaurs have been found in every continent, but the world didn't look like this in the Mesozoic Era! Dinosaur remains have been found on every continent. They’ve even been found in Antarctica, where scientists have found fossils of both plant-eating and meat-eating dinosaurs. This doesn’...
Since then, dinosaur fossils have been found all over the world and studied by experts to find out more about these creatures that existed in the past.7. In Chin a between the second and sixth centuries, paper, ink and printing with carved wooden blocks were all invented, permitting many ...
Found in Saskatchewan, the dangerous dino was estimated to be 42 feet long and weighed 19,400 pounds. The T. rex was bitten on her jaw by another dinosaur (presumed to be another T. rex), which caused an infection and may have led to her death, Mallison added. “From a bite on ...
D.The shape of a dinosaur’s teeth and the structure of its jaws indicate, as do the teeth and jaws of modern animals, the general kind of food the dinosaur ate E.Fossils formed from dinosaur’s bodily waste can provide clues to what dinosaurs consumed, but such fossils cannot be easily...
statues, and you can perform a variety of hands-on tasks, including analyzing the contents of dinosaur eggs in the nursery, performing DNA sequencing, discovering dinosaur fossils in rocks, learning the different habits and sounds of dinosaurs, and playing aJeopardy-like game with dinosaur facts....
The skull of living birds is greatly modified from the condition found in their dinosaurian antecedents. Bird skulls have an enlarged, toothless premaxillary beak and an intricate kinetic system that includes a mobile palate and jaw suspensorium. The expanded avian neurocranium protects an enlarged ...
2. All fossils have been found in western North America. 3. These were the first of this dinosaur group to have horned faces. 4. Some of these had the beak point on only the upper jaw. 5. These did not have the neck frills or facial horns. 6. Most of these had two long brow ...
Here we report a new and gigantic titanosaur from Upper Cretaceous (Campanian–Maastrichtian14,15; ,84– 66 Ma16) rocks exposed in south-western Patagonia, Argentina (Supplementary Fig. 1), some 1,200 km from the best-known South American dinosaur localities, which occur in northern Patagonia...
that the diets of some herbivorous dinosaurs were relativelydiverse, while other dinosaurs appear to have been specialists, feeding on particular types of plants.The problem with inferring diets from coprolites is the difficulty in accurately associating a particular coprolite with a specific dinosaur....