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Unraveling arthropod genomic diversity over 500 million years of evolution（图）
arthropod genomic diversity 500 million years evolution
2020/2/20
Comparative analyses by scientists at the Swiss Institute of Bioinformatics and other institutions of 76 arthropod species spanning 500 million years of evolution reveal genomic changes that point to ...
400 million years of a stable relationship:clues to the molecular basis of balance in AM symbiosis
400 million years stable relationship molecular basis of balance AM symbiosis
2017/4/27
Walking through a grassy field or forest take a moment to consider what lies beneath the surface. A web of plant roots interacts symbiotically with arbuscular mycorrhizal (AM) fungi that extend their ...
Caribbean bat species need 8 million years to recover from recent extinction waves
Caribbean bat 8 million years recover recent extinction waves
2017/2/15
Find related stories on NSF's Environmental Research and Education and Dimensions of Biodiversityprograms.How long does it take a community of mammals to recover after a wave of species...
Ants Were Socializing–and Sparring–Nearly 100 Million Years Ago,Rutgers Study Finds
Ants Were Socializing Sparring Rutgers Study
2016/2/23
Like people, ants have often fought over food and territory.But ants began fighting long before humans: at least 99 million years ago, according to Phillip Barden, a fossil insect expert who works in ...
Earliest known fossil of the genus Homo dates to 2.8 to 2.75 million years ago
the genus Homo dates 2.8 2.75 million years ago
2015/3/18
UNIVERSITY PARK, Pa. -- The earliest known record of the genus Homo -- the human genus -- represented by a lower jaw with teeth, recently found in the Afar region of Ethiopia, dates to between 2.8 and...
Tooth Loss in Birds Occurred About 116 Million Years Ago
Tooth Loss in Birds 116 Million Years Ago
2014/12/30
RIVERSIDE, Calif. — The absence of teeth or “edentulism” has evolved on multiple occasions within vertebrates including birds, turtles, and a few groups of mammals such as anteaters, baleen whales and...
Hummingbird evolution soared after they invaded South America 22 million years ago
Hummingbird evolution soared after they invaded South America 22 million years ago
2014/4/16
The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2014, its budg...