In biology, some similarities between living things were inherited from their ancestor, and some similarities evolved in other ways. This activity is designed to teach you about homologies and analogies.

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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