Concept:Interspecific competition for limited food resources.Explanation:The diagram shows two species of Paramecium in the same culture.They compete for the same food.P. aurelia survives and continues to grow, while P. caudatum decreases and is eliminated.This shows that P. aurelia is better adapted for obtaining food than P. caudatum.Answer:A. P. aurelia is better adapted for obtaining food than P. caudatum
