Do you know how many kinds of plants and animals there are in the world?Experts believe there are between 8 and 14 million,but right now we only know about 1.5 million.However,scientists are finding new plant and animal species(物种)all the time—and that's good news for us. In 2009,...
Shane GuanOffice of Protected ResourcesNatureGuan, S. 2007 New species show how little we know of the sea. Nature 446, 492. (doi:10.1038/446492c)Guan S. 2007. New species show how little we know of the sea . Nature 446 , 492. ( doi:10.1038/446492c )10.1038/446492c [ Cross Ref ]...
Do you know how many kinds of plants and animals there are in the world? Experts believe there are between 8 and 14 million, but right now we only know about 1.5 million. However, scientists are finding new plant and animal species (物种) all the time—and that’s good news for us....
It is a natural process of animal species to become extinct (e.g. dinosaurs, dodos etc.). There is no reason why people should try to stop this from happening. Do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience....
we hold the belief that hard work leads to success. 48. what do we learn about the culture of busyness from a recent study? d) it does much harm to many busy employees' well-being. 49. what do such utterances ...
Each year, the discovery of new shark species underlines how little we know about ocean biodiversity. In a recent report conducted by Sibert and Rubin, they reported an unexpected finding; a large - scale extinction of sharks in the pelagic ocean, the largest ecosystem on Earth, about 19 mill...
Do you know how many species of plants on Earth 翻译结果4复制译文编辑译文朗读译文返回顶部 Do you know how many kinds of plants on earth? 翻译结果5复制译文编辑译文朗读译文返回顶部 You knew on the Earth has how many kind of plants
It is hard to decide on the ages of living fish For many animals, the teeth provide good visual clues that can help experts B. The older animals are, the more teeth they have.determine their ages. In some species, adult teeth don't come in until a certain C. Animals'skeletal ...
To be frank, there are too many examples to list in their entirety. I am very proud to be a part of our university and would like to express my sincere gratitude for everything our university does for its students. 第三套...
About 50 percent of the species on Earth became extinct, including many other large reptiles, like pterosaurs and plesiosaurus, as well as lots of plant species and marine animals. Other life forms, such as ferns, flourished by taking advantage of the sudden abundance of natural resources. ...