What did the first amphibians eat? When is the best time to study amphibians? How did amphibians evolve? When did the first vascular plants appear? How are young amphibians born? What period was known as the age of amphibians? Are all amphibians born in water?
When did the first plants appear on Earth? New data and analysis show that plant life began colonising land500 million years ago, during the Cambrian Period, around the same time as the emergence of the first land animals. These studies are also improving our understanding of how the plant ...
plants and even between animals, plants and protists, suggesting that many ancestral introns have persisted since the last eukaryotic common ancestor (LECA)... IB Rogozin,L Carmel,M Csuros,... - 《Biology Direct》 被引量: 329发表: 2012年 Genes encoding actin in higher plants: intron positio...
Then the leaf closes round it, and the plant begins to eat.1 Some plants can't get enough food from the ground.T T2 Many insects like bright colours.3 The first kind of plant kills insects with the hair on its leaves.4 Some big plants can even catch small animals.5 The second kind...
神奇的植物Amazing Plants Did you know that some plants trap(设陷阱捕捉) animals?The Venus flytrap makes its own food, but also catches insects. 1.Then the trap shuts. The plant breaks the Venus flytrap down the insect's body just as your stomach breaks down food.2.Poison ivy can grow ...
British people3(be) very proud of their instant coffee. Some British coffee “experts” have even come up with a useful guide on how4(make) the best cup of instant coffee. Here it is: First, put fresh water5the teapot. Avoid using dirty river water or expensive bottled water. ...
Many of the things you can do to the greener on holiday will be the same things you can do at home—but there arc also sonic extra things too, like avoiding gifts made from endangered plants and animals.Here arc some suggestions: ●Making the most of locally produced food and drink, and...
百度试题 结果1 题目What did dinosaurs live on? A. Plants or meat. B. Other animals. C. Birds. 相关知识点: 试题来源: 解析 A 反馈 收藏
All continents during the Triassic Period were part of a single land mass calledPangaea. This meant that differences between animals or plants found in different areas were minor. The climate was relatively hot and dry, and much of the land was covered with large deserts. Unlike today, there ...
When did vascular plants evolve? Why do scientists believe amphibians evolved from fish? Are all amphibians born in water? What kind of animals evolved from amphibians? Why do amphibians undergo metamorphosis? Could humans have evolved from amphibians? What amphibians go through metamorphosis? When ar...