Phylogenetic tree necklace A phylogenetic tree is a branching diagram representing the evolutionary relationships among various species. This piece is a simplified version of the phylogenetic tree created by Hillis, Zwickil and Gutell in 2008. It attempts to show the evolutionary relationships between 3,000 species which represent most major groups, both prokaryotic and eukaryotic. Less than 1% of known species are included and viruses are excluded.
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