Darwin's Tree of Life May Be More Like a Thicket
Tuesday, January 27, 2009 - 10:35
in Paleontology & Archaeology
(PhysOrg.com) -- In On The Origin of Species, Darwin used the image of a tree of life to illustrate how species evolve, one from another. Even today, branches sprouting from lower branches (representing ancestors) is how many people view the evolution of species.