斑马就是一个很 好的例子 ②Lions are colour-blind. As the zebras move in a large group, it's hard for the lioness to see which zebra to attack. All she sees is a big mass of black and white stripes. She's not sure what t
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If you want to knowwhy are polar bears endangeredthan perhaps you should consider reading it. Global warming has left adverse effects not on the ecological environment but also on the living things -that rely on temperature for their ultimate survival. This is particularly true in case of polar...
题干中polar bears suffer from various health problem的说法与此完全相反,因此判断答案为FALSE。 第2题答案:FALSE 对应原文:第2段:They compared the genetic structure of polar bears with that of their closest relatives from a warmer climate, the brown bears 答案解析:刘和他的同事比较的是北极熊和棕熊...
Investigate the reasons polar bears are endangered and what endangered species status means. Explore polar bear habitats, how climate change causes habitat loss, their dwindling food supply, and the effects of oil and gas mining on their habitat. ...
Critical Critters: Why do polar bears get all the love? Scientists have identified these five severely endangered creatures as the new conservation stars.no photos of the talaud bear cuscus exist. pictured instead is its close relative, the bear cuscus.Anonymous...
Why do polar bears have to swim more often and farther?A.To search for food.B.To build up bodies to survive.C.To find places to land on.D.Toescape being hunted. 相关知识点: 试题来源: 解析 C 北极熊依赖海冰作为栖息和捕猎的平台。近年来,全球变暖导致北极海冰加速融化,冰层破碎、覆盖面积减少...
解析: 原文意思为,Liu与其同事发现,polar bears有一种名叫ApoB的基因,这种基因可以帮助降低LDLs- 一种‘ bad’ cholesterol 的等级 - 也就是说,polar bears 可以通过基因方式控制他们bad cholesterol的level,所以为T 5. Female polar bears are able to survive for about six months without food. 定位词:Fe...
Remarkably, one hand-raised polar bear called Agee has formed a close relationship with her owner Mark Dumas to the point where they even swim together. This is even more astonishing since polar bears are known to actively hunt humans in the wild. ...
全对, 视频播放量 4、弹幕量 0、点赞数 0、投硬币枚数 0、收藏人数 0、转发人数 0, 视频作者 MontyPatti, 作者简介 ,相关视频:雅思作文课,帮你作文拿7分【小作文:图表类题目应该怎么做】,16-1-3 the future of work 雅思阅读,【雅思阅读】2025年刘洪波雅思阅读真经班