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...
Though taxonomists have been cataloguing plants and animals for more than 250 years, they still have no exact answer to the question, “How many species are on Earth?”“It’s a very simple question, but we have no simple answer,” Fisher said. One of the reasons we can’t get an...
百度试题 结果1 题目[ ] How many kinds of sea animals are there ___ the oceans on the Earth? A. on B. in C. at D. to 相关知识点: 试题来源: 解析 B 反馈 收藏
Study Solves Mystery of How First Animals Appeared on EarthResearch led by the Australian National University has solved the mystery of how the first animals appeared on Earth, a pivotal moment for the planet without which humans would not exist.Australian National University...
They also maintain a fairly consistent temperature, or are homeothermic. Or were they warm and swift, like a hare? Getty Images Cold-blooded animals, on the other hand, are ectothermic, meaning they use their environment to regulate their temperature. Many reptiles, for example, raise ...
阅读理解Elephants are the largest of all land animals on earth. How-ever, there aren't many of them left in the world. Many people try to protect elephants. Paul a Kahumbu is one of them.Paul a grew up in Nairobi, the capital of Kenya. She loved reading, and her love for elephants...
–If you own a cat that goes outdoors,put a bell on its collarso thatvulnerable wildlifecan hear it coming and make their escape! 2. Reduce, reuse, recycle! We live in a ‘throwaway culture‘, where many of our things aren’t built to last. Each year, every house in the UK produce...
19. People have used solar energy for many years. They build houses with windows so that the sunlight ___ get inside and make them warm. 此处表示“能够”,应该用can。 20. There ___ solar panels that collect energy from sunlight to make electricity. There be句型中,be动词的单复数形式取决...
Like other species, we are the products of millions of years of adaptation. Now we're taking matters into our own hands.
Today, many people view maps on their phones. Researchers are working to map the floor of the oceans and to locate every tree on Earth. Scientists are also trying to map the past by using the James Webb Space Telescope (JWST). Th...