【海豹与北极熊 Seals and Polar Bears】幼海豹坎坷成长路!12天需断奶数周内会游泳,还得躲避北极熊!俄罗斯的北极区此时白雪皑皑冰层厚重,是海豹繁育的最佳时期。可嗷嗷待哺的幼海豹将要面对的却是无比残酷的现实:12天里增重3倍还要断奶;天敌北极熊在1公里之外就能闻到它们诱熊的奶香味!#海豹# #北极熊# #纪录...
2002. Polar bears and seals in the eastern Beaufort Sea and Amundsen Gulf: A synthesis of population trends and ecological relationships over three decades. Arctic 55(Supp1. 1):59 - 76.Stirling, I. 2002. Polar bears and seals in the eastern Beaufort Sea and Amundsen Gulf: a synthesis...
International Wildlife Law: SEALS AND POLAR BEARS 来自 Semantic Scholar 喜欢 0 阅读量: 18 作者:S Lyster,HRHP Philip 摘要: "The old grey music doctors of the ocean, their holy happy eyes shining devotion, applaud and blow in foam and soft commotion." (L.A.G. Strong, The Seals ) Seals...
1.细节理解题.根据第一段第一句"seals spend most of their time under the ice so that they won't be caught by polar bears."可知海豹大部分时间都在冰下是为了他们不被北极熊抓到.故选D.2.细节理解题.根据第三段"And all that walking requires extra energy. Normally, a single bear eats 31 and...
It is already home to whales, seals and polar bears, but soon the Arctic (北极) must find__1__for some Chinese visitors. A team of nine scientists will__2__to the Arctic this month to mark the opening of China's __3__ Arctic scientific research station, SOA (the State Oceanic Adm...
she focuses on sea-ice dependent animals such as Polar Bears and Ringed Seals at Arctic. She explains on how these animals are dependent upon the sea-ice for living. The Arctic is warming at a rate three times greater than the global average, and that the sea ice coverage is declining ra...
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apeople continue their ancient ways of catching whales ,polar bears and seals to feed villagers 人们继续捉住鲸鱼、北极熊和封印他们的古老方式喂养村民[translate]
a家庭环境对一个孩子的成长有重大影响 The home environment has the significant influence to a child's growth[translate] a雷霆赛车 Thunder vehicle race[translate] a例如、海豹、北极熊、乌龟等等。 For example, seal, polar bear, turtle and so on.[translate]...
A. Polar bears. B. Seals. C. Tigers. D. Monkeys. 相关知识点: 试题来源: 解析 B。原因:文章中提到“The unique ecosystems of the polar regions are also home to a variety of other species, including whales, seals, and various types of birds.”,明确提到海豹在南极地区,而北极熊主要在北极,...