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evolution biological communitiesand species interactions

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William P. Cunningham University of Minnesota Mary Ann Cunningham Vassar College Copyright ? The McGraw-Hill Companies, Inc. Permission required for reproduction or display. *See PowerPoint Image Slides for all figures and tables pre-inserted into PowerPoint without notes. Chapter 04 Lecture Outline* Evolution, Biological Communities, and Species Interactions Outline Evolution and Natural Selection Ecological Niche Species Interactions Community Properties Communities Change Over Time Adaptation Why do some species live in one place but not another? Adaptation - the acquisition of traits that allow a species to survive in its environment Adaptation is explained by Charles Darwin?s theory of evolution by natural selection. Evolution

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