资讯
By tracking the DNA “barcodes” of sea creatures, researchers have found species previously unknown to science.
Fish: Vertebrates that live in water and breathe using gills; Fish are defined as vertebrates (meaning they have a backbone) that live in water and use gills to breathe.
The conservation of embryonic development across species is of great interest in evolutionary biology. Here, using transcriptome analysis, the authors show that the pharyngula stage of development ...
New research finds that the traits that make vertebrates distinct from invertebrates were made possible by the emergence of a new set of genes 500 million years ago, documenting an important ...
Primitive vertebrates with an adaptive immune system A key organ found in our adaptive immune system are more common than previously assumed: Max Planck researchers have demonstrated the presence of ...
While the survey found threatened vertebrates on land and in oceans across the globe, most of the imperiled species inhabit tropical regions.
Greenland sharks live for centuries with slow heartbeats and metabolism. Scientists study their longevity secrets.
Ancient fish fossil find places puzzling species among jawed vertebrates; China vows to achieve reunification, counter separatism; China-donated tents seen in relief shelter in Mandalay, Myanmar ...
Earth’s earliest land-walking vertebrates didn’t paddle about in freshwater lakes or rivers. Instead, these four-footed creatures, which appeared about 375 million years ago, lived in the ...
It was soft, wormlike, lived more than 500 million years ago – and now scientists say the extinct animal was an ancient ancestor of modern vertebrates. Scientists have long been searching for ...
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