Then in the Ediacaran era, about 635 million to 541 million years ago soft-bodied animal-like life forms emerged as dissolved sea water phosphorous concentration increased following intense global ...

Before Ediacaran forms flourished on the planet ... Equally enigmatic is their relationship to life today. One eminent German paleontologist, Adolf Seilacher, assigned them to a kingdom all ...

This fluctuation may have been crucial to the advancement of life forms millions of years ago. "Previous ideas for the appearance of the spectacular Ediacaran fauna have included genetic or ...