Polar bears live in cold ___ (place). The natural habitat (栖息地) of polar bears is in the Arctic in Canada, Russia, and so on. While the Arctic is known for extremely freezing temperatures, bears still manage to remain warm thanks ___ the 10 cm thick layer of fat under their ski...
The natural habitat(栖息地) of polar bears is in the Arctic in Canada, Russia, and so on. While the Arctic is known for extremely freezing temperatures, bears still manage to remain warm thanks 6.the 10cm thick layer of fat under their skin and their thick furry coat.Their population. ...
Twitter Google Share on Facebook Svalbard Dictionary Thesaurus Acronyms Wikipedia a Norwegian archipelago in the Arctic Ocean, about 650 km (400 miles) north of Norway: consists of the main group (Spitsbergen, North East Land, Edge Island, Barents Island, and Prince Charles Foreland) and a numb...
Twitter Google Share on Facebook Babrius Wikipedia The following article is fromThe Great Soviet Encyclopedia(1979). It might be outdated or ideologically biased. Ancient Greek poet-fabulist of the second centuryA.D.who versified the fables of Aesop. ...
threats to long-term polar bear population dynamics with a non-binding resolution calling eg,the five circumpolar states parties to the Polar Bear Treaty--while Nordlandia Polar Bears WorryResearchers: Evidence ...
Polar bears live in cold ___ (place). The natural habitat (栖息地) of polar bears is in the Arctic in Canada, Russia, and so on. While the Arctic is known for extremely freezing temperatures, bears still manage to remain warm thanks ___ the 10 cm thick layer of fat under their ski...
8. What can we learn about polar bears from this article? C A. How they avoid traffic accidents. B. How they learn good habits from one another. C. How they're endangered by pollution. D. How they find a hiding place during bad weather. 相关知识点: 试题来源: 解析 答案见上 ...
By the middle of the present century, global temperature is likely to move up to 2 degrees Centigrade above the preindustrial level. There will be substantial losses of Arctic sea ice, and species such as polar bears and walruses will be threatened. In tropical regions, marine animals that ...
Goodnight,and sleep tight! 42 2018-07 4 A tough time for polar bears 25 2018-07 3 The history of hockey and ice hockey 31 2018-05 2 Very bad weather 45 2018-05 1 A second chance 61 2018-07 下载手机APP 7天免费畅听10万本会员专辑...
polar bear,large whitebear,Ursus maritimus,formerlyThalarctos maritimus,of the coasts of arctic North America, Asia, and Europe. Polar bears usually live on drifting pack ice, but sometimes wander long distances inland. They are powerful swimmers and may cross 20 to 30 mi (30–50 km) of wat...