Bears and Their Cubs 作者: Tagliaferro, Linda 出版社: Capstone Pr Inc出版年: 2004-1页数: 24定价: $ 27.85装帧: SALISBN: 9780736823876豆瓣评分 目前无人评价 评价: 写笔记 写书评 加入购书单 分享到 推荐 内容简介 ··· - Close photo-text matches- Note to Parents and Teachers- FactHound Inte...
Use of stable-carbon and -nitrogen isotopes to assess weaning and fasting in female polar bears and their cubs. Can. J. Zool. 79, 499-511 (2011).Polischuk, S.C., Hobson, K.A., Ramsay, M.A., 2001. Use of stable-carbon and -nitrogen isotopes to assess weaning and fasting in ...
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Bear mothers who keep their cubs for longer tend to live closer to people – perhaps as a way to avoid males who would drive their offspring away
adult tended to take longer to complete 6 visits to male than female AGS, which indicated sexual discrimination. We suggest that subadults that store information for the purpose of scent matching in future encounters may reduce their potential costs of conflict based on their prior assessment of ...
Winter is when the female bears have their babies. All three types of bears have between one and four cubs. The cubs are born while the mother bear sleeps!All people are afraid of bears. However, bears are actually shy. Most bears try to stay away from people, but still, bears can ...
This process results in about six months of fasting, where the female bears have to keep themselves and their cubs alive….. 解析: 雌性Polar bears在怀孕期间,秋季到来就会到穴里准备待一整个冬天,这个过程意味着6个月的时间中,雌性Polar bears都要fasting,fasting为禁食,也就是6个月都要禁食, 在这...
对应原文:第3段:This process results in about six months of fasting, where the female bears have to keep themselves and their cubs alive 答案解析:第3段稍微靠后的位置提到,“这一过程涉及到六个月的禁食,与此同时,雌性北极熊必须保证自己和幼崽的存活”。即雌性北极熊可以不吃不喝度过六个月的时间,...
Winter is when the female bears have their babies. All the three types of bears have between one and four cubs (幼兽) each time. The cubs are born while the mother bear sleeps! All people are afraid of bears. However, bears are actually shy. Most bears try to stay away from people,...
Chinese and Ainu cultures, as well (see Iomante). Korean people in their mythology identify the bear as their ancestor and symbolic animal. According to the Korean legend, a god imposed a difficult test on a she-bear; when she passed it, the god turned her into a woman and married her...