How many kinds of animals live on the Earth?A recent survey shows that scientists have found more than 2 million kinds of animals and there are over 10 million we haven't discovered yet.Animals are much more than food or pets for humans.Animals are smart.Some of them do very unusual thi...
英语翻译How many kinds of animals live on the Earth?A recent survey shows that scientists have found more than 2 million kinds of animals and there are over 10 million we haven't discovered yet.Animals are much more than food or pets for humans.Animals are smart.Some of them do very unu...
ETrees are of great importance when it comes to maintaining topsoil and slowing down the wind speed. In many Asian countries, firewood is the chief fuel used for cooking and heating, which has caused uncontrolled clear- cutting of forests in dryland ecosystems. When too many trees are cut dow...
beautiful and full of life. But these years, people have built many factories along rivers. Many trees have been cut down. Many animals have lost their homes. Factories cause pollution. Rivers bee polluted.
Lizards that can outrun blazes. Birds that lay ash-colored eggs. Wildlife may have a limited ability to evolve in this fiery new era known as the Pyrocene.
百度试题 结果1 题目【题目】(5)a.on the earth在地球上b.on earth到底、究竟① No one knows for sure how many animals are there②-Whatdo you want to do?-Nothing. 相关知识点: 试题来源: 解析 【解析】(5)①a②b 反馈 收藏
Animals and people on the Earth find how does the Sun do that it's the Sun's energy that makes life on our planet possible Let's see from 16 Sun is called solar energy. Solar energy makes us 18 warm when we sit in the sunlight. People have used solar energy for many years. They...
learn how adaptation over time enables animals to survive in particular environments and in extreme conditions. With Frozen Planet II: Frozen South from Minecraft Education and BBC Earth, learners will develop an understanding of the impact that climate change is having on some of the animals living...
First we should ___ the importance of protecting wild (野生的) animals. Animals are an important source (来源) of food. Every animal has its place in the balance (平衡) of ___. If we destroy (破坏) a kind of animal, we will have many other ___ very soon. For example, when far...
Nowadays, many wild animals around the world are in danger. Some kinds of them are dying out at an alarming rate (以惊人的速度). Between 150 and 200 species (物种) disappear every day. To make us aware of the serious problem and help save the animals in danger before it’s too late...