Question

100字以内的英语作文

100多个单词的作文！关于恐龙的！大家帮帮忙吧！

Answer 1

Dinosaurs are living in 3500 dating back about 200 million years to 6500 million years ago, and able to support the body upright hind legs to walk a class of terrestrial animals, is a diverse group of Mesozoic advantage of invertebrates, mostly terrestrial (habitat In the land-based) reptiles, but can walk upright, the dominant terrestrial ecosystems the world over 100 million 6 million years old. Is said to be reptiles vertebrates rather than the reason is that the dinosaur had been classified as reptiles, but it does not meet one of the basic characteristics of reptiles, prostrate to walk way, and now has been questioned, said cold-blooded one.恐龙是生活在距今大约2亿3500万年至6500万年前的、能以后肢支撑身体直立行走的一类陆生动物，是群中生代的多样化优势脊椎动物，大多数属于陆生（栖息在陆地上的）爬行动物，但能直立行走，支配全球陆地生态系统超过1亿6千万年之久。说是脊椎动物而不说是爬行动物的原因是，恐龙曾经被归为爬行动物，但是其不符合爬行动物的基本特征之一，匍匐的行走方式，以及现在一直被质疑的冷血动物一说。

Answer 2

The Earth's history has been 45 billion years. Constraints in the 38 million years ago before the emergence of the earliest organisms. Since then, much of the planet has experienced the rise of biotechnology, the course of the decline until extinction, only the fossils so far retained. Now the world can be found in various periods of different types of fossils, these fossils tell the history of our planet earth-shaking changes.

Dating back more than 200 million years ago, life on Earth has a group of organisms - the dinosaurs. They are very popular and dominate the Earth to reach 1.5 million years old.

In humans before the advent of dinosaurs had become extinct, and no one to see live dinosaurs. Today, we know everything about dinosaurs from the dinosaur fossils come. As people found their bones, teeth, egg fossils, and skin marks, footprints, and other cave sites, the scientists on the basis of these clues to discover the secrets of the dinosaurs.