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SlideshowReport

A web of life

Description
This phylogenetic tree not only shows the modern classification of all life on Earth but also includes the contribution of horizontal gene transfer in the evolution of species. This phenomenon was prevalent during the early stages of evolution, when all organisms were unicellular. Horizontal gene transfer continues to be a prominent factor in the speciation of Bacteria and Archaea. Note: This tree is meant to be schematic.
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