In the Earth¡¯s ecosystem, many species of animals live with mutual cooperation and influence on each other. For example, mankind benefits as much 2.9 trillion dollars from biological diversity. Despite this benefit, however, because of the paucity of awareness of environmental importance, many species are endangered. According to the statistics, the problems of the ecosystem are serious; three species per hour and 20-40 thousands species per year become endangered. China, well known for its variety …showed first 75 words of 431 total…

…showed last 75 words of 431 total…In brief, the panda has become endangered due to factors such as its inability to copulate, its loss of habitat, and the illegal capture by humans. Human beings cannot live alone. If other species living in Earth¡¯s ecosystem become extinct, human beings would also be faced with the same problems as other extinct species. In conclusion, people should recognize the importance of wild lives, such as the panda, and help wild lives to survive.