Now it seems that their position at the very base of the tree of animal life is in jeopardy, thanks to the humble comb jelly. (newscientist.com)
According to records, the hollowed base of the tree has been used as a shrine to Holy Mary since 1696. (treehugger.com)
With DNA evidence as solid as that used to convict criminals, researchers can trace the shared genetic lineage of life's different branches back to the very base of the tree, some 4 billion years ago, when the interaction between primordial bacteria and viruses culminated in the «mother cell,» the common ancestor of all life on Earth. (discovermagazine.com)