北极英语PPT.ppt

Arctic climate is cold all the year round, the Arctic Ocean is a vast frozen ocean, is surrounded by numerous islands and North America and Asia and northern coastal areas. 门 脊索动物门 Chordata 纲 哺乳纲 Mammalia 目 食肉目 Carnivora 科 熊科 Ursidae 属 棕熊属 Ursus The polar bear is the world second big bear species, also the second terrestrial carnivores.Its fur is white and slightly yellow, but the sk Black skin helps absorb heat, this is also a good warm method. Arctic fox 真兽亚纲(Eutheria) 食肉目(Carnivora) 犬形亚目(Caniformia) 犬科(Canidae) 狐属(Vulpe Arctic fox, also known as the polar fox, is a small fox native to cold Arctic regions of the Northern Hemisphere. It is common in all three tundra biomes. Although some authorities have suggested placing it in the genus Vulpes, it has long been considered the sole member of the genus Alopex. The Arctic fox has smaller, more rounded ears, a more rounded braincase, and a slightly shorter and broader muzzle than the red fox. Because of the large number of factories to produce carbon dioxide gas destroyed the atmosphere,North Pole is disappearing! 制作者:吕晓锋 演讲者:周树杰 后勤组:蔡文权 黄浚灏 张嘉伟 马伟东 Global warming has an impact on the ice. The ice is melting quickly in north and south pole. And that have a bad influence on polar bears. Polar bears are in danger, we must take measures to protect the kind of beautiful and lovely animal. Because it is the treasure of nature.