rationalskepticism.org

Because of this, the kinship between species is often described in terms of a 'tree of life,' where every branch constitutes a species. Now, researchers have found that evolution is more complex than this model would have it, and that the tree is actually more akin to a bush.18 Aug 2015
https://www.sciencedaily.com › 201...
The Tree of Life may be more like a bush - ScienceDaily

Paul.