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 ...

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