The use of phylogenies in ecology is increasingly common and has broadened our
understanding of biological diversity. Ecological sub‐disciplines, particularly conservation, …

Environmental filtering, where the environment selects against certain species, is thought to
be a major mechanism structuring communities. However, recent criticisms cast doubt on …

The economic and social barriers to the academic and social success of many African American
children remain in place as the new millennium begins. These realities provide impetus …

Aneuploidy is a condition frequently found in tumor cells, but its effect on cellular physiology
is not known. We have characterized one aspect of aneuploidy: the gain of extra …

Lack of school engagement among adolescents in this country remains a problem that can
have very serious consequences including increased risk for school dropout, substance use, …

The experimental evolution of laboratory populations of microbes provides an opportunity to
observe the evolutionary dynamics of adaptation in real time. Until very recently, however, …

A causal model for understanding the complex interplay between student‐reported teacher
behaviors, student self‐systems, and student engagement was tested. One hundred …

Aneuploidy causes a proliferative disadvantage in all normal cells analyzed to date, yet this
condition is associated with a disease characterized by unabated proliferative potential, …

This article explores the role of risk perception in adaptation to stress through comparative
case studies of coffee farmers’ responses to climatic and non-climatic stressors. We …

… Tucker is a distinguished alumni professor and Terrence Porter is a doctoral candidate in
the Department of Psychology at the University of Florida, Gainesville. Wendy M. Reinke is a …