Study these two figures? Which graph represents Semibalanus? (d) When competition is asymmetric and niches do not overlap completely, weaker competitors use nonoverlapping resources. Chthamalus in upper intertidal zone Species 1 (strong competitor) (weak competitor) Species 2 fig 53.5 Fundamental niche Mean tide level Semibalanus in lower intertidal zone Realized niche h ore Niche (range of resources used) Copyighte 2008 Peanon Bera Cumngs. Aligha reerved A. purple graph (left) B. green graph (right) Number of individuals using resource

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Ecological Interactions

The study of the ecological interactions between living beings and their physical environment, including humans, is ecology. It aims to understand the crucial links between plants and animals and the world around them. Ecology also gives knowledge on the advantages of ecosystems and how we may use Earth resources to ensure that future generations have a healthy environment.