Investigates the level of students' understanding of the concept of evolution of natural selection. Sixty-three first year British university students with an advanced-level biology background participated in this study. (HM)

Presents an overview of current geomorphic research in the southern United States. Conveys that the limited historical effort offers both challenges and opportunities for conducting geomorphic work in the region; much is unknown about these unique landscapes. States applied and theoretical geomorphology will benefit the society and future of the…

Discusses the nature and consequences of organisms' adaptation to new environments, including examples of adaptation and tolerance, aliens, adventives and invaders, vacant niches, arrival and fate of an adventure, hybridization with native organisms, and invasion without introduction by humans. (DS)