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. Author manuscript; available in PMC: 2011 Jul 27.
Published in final edited form as: Evolution (N Y). 2010 Jul 27;3(4):621–628. doi: 10.1007/s12052-010-0254-9

Fig. 2.

Fig. 2

Characters have been mapped onto a tree (the branches are not drawn to scale). Black bars show upon which branch a character evolved. Given this tree, students should be able to infer the characters in each of the extant species