搜索结果: 1-15 共查到“国际动态 动物生理学”相关记录30条 . 查询时间(2.781 秒)
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How do birds breathe so efficiently? Looped airways facilitate air flows(图)
birds breathe efficiently Looped airways facilitate air flows
2021/4/9
Birds breathe with greater efficiency than humans because of the structure of their lungs --looped airways that facilitate air flows that go in one direction -- a team of researchers has found. The re...
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芬兰研究人员绘制出北欧驯鹿的完整基因结构
芬兰 研究人员 北欧驯鹿 完整基因结构
2020/6/8
芬兰研究人员2020年6月5日对媒体宣布,他们已绘制出北欧驯鹿的完整基因结构,发现了许多有助于它们适应恶劣自然条件的遗传特征。芬兰北部的拉普兰地区是北欧驯鹿的主要栖息地。在广泛流行的传说中,来自拉普兰的圣诞老人会在圣诞节期间驾着北欧驯鹿拉的雪橇出行。
人类活动使野生哺乳动物夜行性增强
人类 野生 哺乳动物 夜行性
2018/9/19
一项发表在最新一期美国《科学》杂志上的研究显示,为了躲避人类的干扰,全球多种野生哺乳动物正越来越多地转移到夜间活动,表现出夜行性增强的趋势。
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In the animal kingdom, the battle of the sexes often truly becomes a battle. Among chimpanzees, males may violently attack females, sometimes resulting in serious wounds. While unpleasant to watch, th...
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Built-in billboards: Male bluefin killifish signal different things with different fins(图)
different fins Built-in billboard
2014/12/1
CHAMPAIGN, Ill. — They help fish swim, but fins also advertise a fish’s social standing and health. In a new study, researchers report that for the male bluefin killifish (Lucania goodei), each colorf...
Bio-logging collar reveals unprecedented detail about California mountain lions(图)
Bio-logging California mountain lions Wild cats
2014/8/26
Actually, you may never be able to spend time on the trail with a wild cat, but if the cat is wearing the new high tech collar designed by University of California, Santa Cruz, researchers, you'll fin...
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科学家在越南发现“自我克隆”蜥蜴(图)
科学家 越南 自我克隆 蜥蜴
2010/11/22
据美国物理学家组织网近日报道,科学家在越南湄公河三角洲地区发现了一种小型蜥蜴,当地餐馆长期以来拿它们当食材,这种蜥蜴全部都是雌性,能通过“克隆”自己来进行繁殖。
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研究显示鸽子爱“赌博”可能是天性(图)
鸽子 赌博 天性
2010/10/15
一项最新研究显示,鸽子在选择食物时也会“赌博”,尽管这种行为会导致最终获得的食物总量较少,这说明赌博也许是生物的一种天性。
研究人员在成熟和年老小鼠大脑中发现不同类型的干细胞
小鼠大脑 干细胞
2010/8/17
出生以后大脑会失去许多的神经细胞,而这种情况将会在整个生命周期中持续——大多数神经元是在出生之前形成的,出生之后很多多余的神经元就会退化。然而,也有一些细胞,在老年时仍然具有分裂能力——至少在老鼠的大脑中是如此。据来自弗赖堡的马克斯普朗克免疫生物学研究所的科学家表示,存在的不同类型的神经干细胞能够产生新的神经元。虽然神经干细胞在年幼动物中能够不断地分裂产生新的神经元,但是在年老动物中存在的这种细胞...
New scheme to provide £1.3 m extra funding to students for high cost training in animal physiology
£ 1.3 m extra funding high cost training animal physiology
2010/1/27
From today (25 January), research institutions with PhD students funded by the Medical Research Council (MRC) or Biotechnology and Biological Sciences Research Council (BBSRC) can apply for additional...
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Snail shell spiral switched(图)
Snail shell embryo structure the physical appearance snail newborns
2009/12/8
Researchers in Japan have altered the destiny of a rout of snails by changing the chirality of their shells before birth. By delicately manipulating a batch of developing embryos, the scientists succe...
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美国现“变色老鼠” 毛发颜色随环境变化而改变(图)
美国 “变色老鼠”
2009/8/31