Why are dinosaur bones still around?在博物馆展出的“恐龙骨头”其实不是骨头。 通过复杂的石化过程, 古老的恐龙骨骼变成了石头, 也就是化石 fossil。 除了animal fossil 动物化石,还有plant fossil 植物化石。化石是植物和动物的古老遗迹。 Fossils are the ancient remains of plants and animals.研究化石有助于...
Dinosaur Bones Are Just a Tiny Part of the Fossil StoryThe article discusses the different kinds of fossils and some ways to find and clean them.Fox, MarkHopscotch
We know because we have found fossils-|||-in rocks all over the world.Scientists have found fossils of dinosaur bones,footprints,teeth,-|||-nests,and eggs.These scientists are carefully digging dinosaur fossils out of the ground and-|||-make sure they are safe.Then they will take them ...
The scientists are digging for fossils (化石). Fossilized bones tell the story of dinosaurs, animals that were once living creatures and appeared on Earth some 225 million years ago. Dinosaurs dominated (主导) planet for 150 million years, much longer than people have existed....
Dinosaur fossils refer to the loss of soft tissues in the body due to decay after the death of dinosaurs. Hard tissues such as bones (including teeth) are deposited in the sediment, in the environment of oxygen isolation. After tens of millions or even hundreds of millions of years of depo...
【题目】The scientists are digging for fossils化石). Fossilized bones tell the story of dinosaurs and animals that were once living creatures and appeared on Earth some 225 million years ago. Dinosaurs dominated the planetfor 150 million years, much longer than people have existed.Dinosaurs came ...
Putting a dinosaur skeleton(骨架)together is not easy. The skeletons are usually very incomplete. Many dinosaur fossils(化石) are discovered badly damaged. Bones are often found crashed (压碎) or bent by the great weight of the dirt and rock above. Sometimes parts from different creatures are ...
Fossils are the remains and traces (such as footprints or other marks) of ancient plant and animal life that are more than 10,000 years old. They range in size from microscopic structures to dinosaur bones and complete bodies of enormous animals. Bones of extinct species of humans are also ...
At that time,they found that dinosaur fossils(化石) were very close to the bones of small lizards(蜥蜴). When scientists named the animals, they used the Greek word"sauros". It means “lizard". In fact, the word “dinosaur"is a combination of the Greek words“deinos" (terrible) and "...
(Thanks, plate tectonics!) Dinosaurs continued to live on every continent; there are even fossils buried under the ice in Antarctica. Dinosaur Appearance: Skin and Bones Chinese scientists excavate a dinosaur fossil discovered at a site on the shore of the Jialing River near southwestern ...