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Unformatted text preview: common ancestor of both groups. 7. Derived character – evolved in an ancestor of one group but nor of the other. For example, feathers evolved in an ancestor of birds that was not also ancestral to mammals. 8. Cladogram – a branching diagram, which shows the evolutionary relationships among groups of organisms. | P a g e Gautham – 2/16/2010 9. Evolutionary systematics - in evolutionary systematics, taxonomists give varying degrees of importance to characters and thus produce a subjective analysis of evolutionary relationships. 10. Phylogenetic tree – a branching diagram in which evolutionary relationships are displayed. | P a g e Gautham – 2/16/2010...
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