Likewise, a 2012 paper in Biological Reviews acknowledges that “phylogenetic conflict is common, and frequently the norm rather than the exception.”14 Echoing these views, a January 2009 cover story and review article in New Scientist observed that today the tree-of-life project “lies in tatters, torn to pieces by an onslaught of negative evidence.” As the article explains, “Many biologists now argue that the tree concept is obsolete and needs to be discarded,” because the evidence suggests that “the evolution of animals and plants isn’t exactly tree-like.”
