理学 >>> 生物学 >>> 生物数学 生物物理学 生物化学 细胞生物学 生理学 发育生物学 遗传学 放射生物学 分子生物学 生物进化论 生态学 神经生物学 植物学 昆虫学 动物学 微生物学 水生生物学 病毒学 人类学 生物工程 生物学其他学科
搜索结果: 1-15 共查到生物学 birds to相关记录44条 . 查询时间(0.046 秒)
A new study shows the eye size of birds can reveal broad patterns of their biology and behavior, including where they live, what they eat and how they hunt, providing a potential roadmap for future co...
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...
In the arid Mojave Desert, small burrowing mammals such as the cactus mouse, the kangaroo rat and the white-tailed antelope squirrel are weathering the hotter, drier conditions triggered by climate ch...
Researchers have found that a common plant owes the dazzling blue color of its fruit to fat in its cellular structure, the first time this type of color production has been observed in nature.The plan...
Diversity plays a key role in maintaining the stability of plant and animal life. But it's difficult to scale up smaller experiments to understand how changes will impact larger ecosystems.A new study...
Since 1970, bird populations in the U.S. and Canada have declined by 29%, or almost 3 billion birds, signaling a widespread ecological crisis, a study published in the journal Science reveals. The res...
How can birds that weigh less than an AA battery live through the immense power of Atlantic hurricanes? A new study in Ecology Letters finds that some coastal birds survive because their populations c...
Every year during spring and fall migration, tens of millions of birds take flight at sunset and pass over our heads, unseen in the night sky.The National Weather Service has recorded the birds' migra...
Under the watchful eyes of five high-speed cameras, a small bird named Gary waits for the signal to fly. Diana Chin, a researcher at Stanford University and Gary's trainer, points her finger to a perc...
Birds of a Feather     Birds  Feather       2017/7/21
Biologists have always been fascinated by the diversity and changeability of life on Earth and have attempted to answer a fundamental question: How do new species originate?Today, an implicit assumpti...
Around the world, thousands of migratory animals travel hundreds or even thousands of miles each year. The journey of migratory animals is more important than their destination. Scientists use the end...
The following is part 17 in a series on the NSF-NIH-USDA Ecology and Evolution of Infectious Diseases (EEID) Program. See parts: one, two, three, four, five, six, se...
Risk assessment,for the birds     Risk assessment  the birds       2015/11/12
Every year, backyard songbirds across the United States make an arduous journey to warmer winter climes. They migrate hundreds of miles, occasionally braving tough terrain and nasty weather. Sometimes...
West Nile virus is killing millions more birds and affecting many more bird species than previously thought, according to new research from a multi-university team of researchers.Survival estimates dr...
Shade coffee is for the birds     Shade coffee  the birds       2015/3/4
The conservation value of growing coffee under trees instead of on open farms is well known, but hasn’t been studied much in Africa. So a University of Utah-led research team studied birds in the Ethi...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...