注册 登录  
 加关注
   显示下一条  |  关闭
温馨提示!由于新浪微博认证机制调整,您的新浪微博帐号绑定已过期,请重新绑定!立即重新绑定新浪微博》  |  关闭

东南隅

wantnon的blog

 
 
 

日志

 
 
 
 

Rise and fall of the dinosaurs(总目录)  

2010-08-12 20:40:07|  分类: 英文起步 |  标签: |举报 |字号 订阅

  下载LOFTER 我的照片书  |
http://www.bbc.co.uk/sn/prehistoric_life/dinosaurs/chronology/

Rise and fall of the dinosaurs


image

Rise and fall of the dinosaurs contents

T. rex would not have recognised the world that the first dinosaurs lived in. In this series of articles, Dr Jo Wright explores how the dinosaurs evolved as the world around them changed.

image

New blood

When dinosaurs first appeared the world was very different. There were no mammals, no birds and no lizards. But there were some lizard-like reptiles.

image

Time of the titans

In the Early Jurassic, dinosaurs started getting larger. Diplodocus(梁龙) was over 30 metres long - but even he wasn't safe from predators.

image

A cruel sea

While dinosaurs dominated the land, huge marine reptiles ruled the water. Ichthyosaurs(鱼龙)looked very like dolphins - but they weren't the top predators of the Jurassic seas.

image

Giant of the skies

The largest animals ever to fly were pterosaurs(翼手龙). But during their reign, birds as we know them were also beginning to appear.

image

Spirits of the ice forest

There's considerable evidence that dinosaurs once lived at polar latitudes(纬度). How did they survive the cold?

image

Land of the giants

Argentinosaurus(阿根廷龙) was the largest dinosaur ever - 35 metres long, and up to a hundred tonnes in weight.

image

The giant claw

75 million years ago the Mongolian desert was home to dinosaurs of all shapes and sizes - including one with the largest claw of all time.

image

Death of a dynasty

Why the dinosaurs died out is one of the most frequently asked questions of dinosaur experts. Will we ever know the answer?

  评论这张
 
阅读(43)| 评论(0)
推荐 转载

历史上的今天

评论

<#--最新日志,群博日志--> <#--推荐日志--> <#--引用记录--> <#--博主推荐--> <#--随机阅读--> <#--首页推荐--> <#--历史上的今天--> <#--被推荐日志--> <#--上一篇,下一篇--> <#-- 热度 --> <#-- 网易新闻广告 --> <#--右边模块结构--> <#--评论模块结构--> <#--引用模块结构--> <#--博主发起的投票-->
 
 
 
 
 
 
 
 
 
 
 
 
 
 

页脚

网易公司版权所有 ©1997-2018