AbstractThe usefulness of ecoregions and catchments (hydrologic units) as bases for classifying aquatic vertebrate assemblages in western Oregon was compared using samples collected by electrofishing ...

Forest edges influence more than half of the world’s forests and contribute to worldwide declines in biodiversity and ecosystem functions. However, predicting these declines is challenging in ...

Famed British broadcaster and naturalist Sir David Attenborough has been lending his calming voice to nature documentaries ever since TV was in black and white. And the 89-year-old is still at it. His ...

Those of you who took high school biology may remember the lancelet, also known as the amphioxus. Its simplified body plan is notable for containing a number of features that it shares in common with ...

The study of early vertebrates provides an essential window into the evolutionary processes that shaped modern biodiversity. Fossil discoveries spanning the Silurian to Devonian periods reveal a ...

The fossil of an ancient sea squirt found in a collection at the Utah Museum of Natural History turned out to be the oldest of its kind. When you purchase through links on our site, we may earn an ...

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 ...

To quantify China’s loss of biodiversity, researchers analyzed data from 1,385 representative populations of 405 terrestrial vertebrate species: 161 mammals, 184 birds, and 60 amphibians and reptiles.

v. 1. Histological classification of bone and joint tumors of domestic animals / compiled and reviewed by M.V. Slayter [and others] -- v. 2. Histological classification of mesenchymal tumors of skin ...

For all its pervasiveness and the efforts to study it, cancer is still somewhat of a mystery. Why do some animals get it at a higher rate than others? This is the question at the heart of Peto's ...

MANILA, Philippines — A new study has warned that 15% to 30% of the Philippines’ land-dwelling vertebrates could vanish, with amphibians and mammals facing the highest risk of extinction. In a study ...