December 26, 2012
Is It Time to Redraw the Tree of Life?
Carl Zimmer, Phenomena
In 1837, Charles Darwin scribbled a simple tree in a notebook and scrawled above it, “I think.”
That little doodle represented a big idea: that species were descended from common ancestors. They looked different from each other today thanks to the differences that evolved after their lineages split.
TAGGED: eukaryotes, archaea, tree of life