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

Bridget Heos
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.