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Shell, Beak, Tusk: Shared Traits and the Wonders of Adaptation

Shell, Beak, Tusk: Shared Traits and the Wonders of Adaptation

Author:
Pages: 744
ISBN: 0525953612
Language: English

We think of evolution as a tree with branches that make clear, linear sense�with one animal and its traits clearly derived from one that came before it genetically. But what about animals who share key traits�but aren�t on the same family tree? This is called convergent evolution, and it�s the big idea that Bridget Heos tackles in a kid-friendly way in Shell, Beak, Tusk.








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