This area entails study and maintenance of biological diversity at the level of genes, populations, communities, ecosystems and biomes; intellectual underpinnings include evolutionary theory, ...

In a work of systematic biology that advances the field, researchers have identified 16 distinct cell populations in a complex area of the midbrain called the ventral tegmental area, or VTA. The VTA ...

Amazing phenomena occur when cells work together, writes Valcourt in this accessible introduction to systems biology, a field with a distinguished history that took off at the beginning of the 21st ...

"Sponsored by the National Research Council." BOT copy 39088009067141 has bookplate: Smithsonian Institution Libraries, From the library of Dr. James F. Lynch. https ...

There are more than 7,000 known species of amphibians that can be found in nearly every type of ecosystem on six continents. But there have been few attempts to understand exactly when and how frogs, ...