搜索结果: 1-14 共查到“国际动态 动物生物化学”相关记录14条 . 查询时间(1.265 秒)
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Connecting the prehistoric past to the global future(图)
Connecting the prehistoric past to the global future
2020/1/21
In seeking to understand factors that affect global biodiversity patterns, scientists have focused much of their research on present-day climate, such as patterns of temperature or rainfall, or recent...
Naked mole-rats turn into plants when oxygen is low
Naked mole-rats turn into plants oxygen is low
2017/4/27
Deprived of oxygen, naked mole-rats can survive by metabolizing fructose just as plants do, researchers report this week in the journal Science.
Understanding how the animals do this could lead to tr...
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Nov. 17, 2014 – Whether birds are breathing in or out, air flows in a one-directional loop through their lungs. This pattern was unexpected and for decades, biologists assumed it was unique to birds, ...
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AUSTIN, Texas — Scientists working on islands in Florida have documented the rapid evolution of a native lizard species — in as little as 15 years — as a result of pressure from an invading lizard spe...
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Though present in more than 6,000 living species of fish, the adipose fin, a small appendage that lies between the dorsal fin and tail, has no clear function and is thought to be vestigial. However, a...
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The Arctic is home to a growing number of whales and ships, and to populations of sub-Arctic whales that are expanding their territory into newly ice-free Arctic waters.
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The mega-decline in cod and other fisheries across the North Atlantic Ocean threatens the livelihood of fishermen and communities in New England and Atlantic Canada. One suspect in the disappearance ...
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Ronan, a California sea lion at Long Marine Laboratory at the University of California, Santa Cruz, is the first non-human mammal convincingly shown to be able to keep the beat.
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With Their Amazing Necks, Ants Don’t Need “High Hopes” to Do Heavy Lifting(图)
high hopes Ants Amazing Necks
2014/3/21
The design of future space robots may take a cue from the neck joint of an unassuming American field ant.
科学家或发现鱼鳍向四肢进化关键基因
科学家或发现鱼鳍向四肢进化关键基因
2010/6/29
科学家在最新一期的《自然》杂志中报道称,有两个基因在鱼鳍的发育过程中起关键作用,但它们在动物的四肢中却没有出现,失去这两个基因或许是从鱼鳍进化到动物四肢的“关键步骤”。
阿联酋宣布首次成功克隆出一只骆驼
阿联酋 克隆 骆驼
2009/4/15
《科学》:哺乳动物脂肪酸合酶原子结构确定
哺乳动物 脂肪酸
2008/9/9
《科学》:哺乳动物脂肪酸合酶原子结构确定
哺乳动物 脂肪酸
2008/9/9