This article predates Brown Brothers Media’s ownership of Science Blog and has not been reviewed under our current editorial process. It is preserved as part of the publication’s archive. One of just ...
The researchers from the HiLIFE Institute of Biotechnology, University of Helsinki compared two central bearded dragon lizards (Pogona vitticeps): a normal one and a mutant with no body scales. They ...
One of just two vertebrates without a jaw, sea lampreys that are wreaking havoc in Midwestern fisheries are simultaneously helping scientists understand the origins of two important stem cells that ...
A new review in Nature Reviews Biodiversity documents how vertebrates from sloths to chimpanzees rely on insects for food, ...
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The first land-walking animals: How the earliest vertebrates conquered land millions of years ago
Life did not begin on land. For billions of years, every living organism existed in the oceans. Then, about 400 million years ago, a small group of fish-like animals started exploring the shallow ...
Scarce evidence indicates that key evolutionary steps for jawed vertebrates occurred during or before the Silurian period, 444 million to 419 million years ago. Fossil finds pull back the curtain on ...
The first scientifically confirmed example of animals using tools to hunt land vertebrates (higher terrestrial back-boned animals) involved female and immature chimpanzees Pan troglodytes within a ...
Charles Darwin proposed that evolution is driven by gradual variations in organisms that have a survival advantage in a changing environment. But University of Maryland evolutionary biologist Karen ...
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