Polar Bears may not be able to survive to do constant climate change due to there being no sea ice. Sea ice helps polar bears hunt seals of which is the polar bears main food source. The more the polar bears are not hunting, the less likely it is for them to reproduce for cubs. If...
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Research on polar bears in Canada 1993᎐1996, 69᎐91. In: Derocher A, Garner GW, Lunn N, Wiig O, editors. Polar bears. Report of the Twelfth Working Meeting of the IUCNrSSC Polar Bear Specialist Group. Gland, Switzerland and Cambridge, UK: IUCN, vq 1998:159....
A polar bear of course! Polar bears are one of my favorite animals and I love so many cool facts about them. Some of the facts about polar bears that I like are where they live and why, what they eat, and even how they look. Let me tell you more about these facts and why I ...
由第一段中的It is quite clear to me,based on my research,that tropical(热带的)insects rather than polar bears could be among the first species to become extinct as a result of global warming. (根据我的研究,我很清楚,由于全球变暖,热带昆虫而不是北极熊可能是首批灭绝的物种),第二段中的We ...
A. Summer temperatures have gone up by about15℃. B. The climate change hasn't influenced polar bears.. C. Numbers of reindeer have increased in the last twenty years. D. Reindeer's antlers are strong enough to break even thick ice.( )60. What does the text mainly tell us? A. How...
For example, researchers study polar bears to understand how climate change is affecting their populations and develop conservation strategies to help them survive. Some people may have concerns about the welfare of animals used in research, and it's true that we need to make sure they are ...
It eats bamboo as the main meal during the day, it consumes about 99% of its meals of bamboo, in addition, it eats fish, potatoes, oranges, and many other foods. Panda bears live in the south, center and south-west of China, they have a deep fur protects them from the cold winter...
D. By making research on th e polar bears.(2) When di d th e cav e bear di e out ? A. About 50 , 000 years ago. B. About 40 , 000 years ago. C. About 20 , 000 years ago. D. Mor e than 300 , 000 years ago.(3) What can w e learn according to th e fourt h ...
but the film makers decided to make Judy's lip all together to 5.nice.Film makers learned that not all fur (皮毛) of animals is the 6.. In the movie. some of polar bears' fur is clear. It appears white because the light reflects (反 ) off it. Part of a fox's fur is dark ...