The discovery of multiple pathways of carbon dioxide assimilation and dissimilation in higher plants has drastically changed the research and thinking in plant biology. The theme is developed that adaptations within ...

Little is known about consumers as regulators of ecosystem functioning. The evidence reviewed here suggests that consumers are beneficial to ecosystems as regulators rather than energy movers. In order to predict ecosystem ...

The energy expenditure of endotherms is influenced by body size, climate, and food habits. Body size is the most important factor determining basal rates of metabolism and thermal conductances. The interaction of these two ...

Environmental education grew significantly in the U.S. during the decade 1964-1974. It would seem that the citizens of Spaceship Earth are becoming aware of their environmental responsibilities, and are actively seeking ...

Community organization, which is determined in an environmental matrix that varies in space, time, and resource quality, is an important determinant of fitnesses of constituent populations, [n addition, the fitnesses of ...