American Society of Naturalists

“Extreme insolation: climatic variation shapes the evolution of thermal tolerance at multiple scales” (Photo: Kaitlin M. Baudier)

“Mating opportunity increases with synchrony of flowering among years more than synchrony within years in a non-masting perennial” (Photo: Gretel Kiefer)

“Multicellularity drives the evolution of sexual traits” (Photo: Erik Hanschen)

“Ontogeny and consistent individual differences mediate trophic interactions” (Photo: Rosemary L. Martin, University of Toronto Mississauga)