The environment plays a major role in the evolution of species. Learn about the ecological pattern to how species arise and die out and discover how natural selection acts differently on related species living in different habitats.

This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.

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