Was early animal evolution co-operative?
The fossil group called the Ediacaran biota have been troubling researchers for a long time. How do these peculiar organisms relate to modern organisms?
This story is an excerpt. You can read the full story by clicking the “Read full article” button.
Credit: (A) Andrej Ivantsov; (B) Jim Gehling; (C) S. J.; (D) Martin Smith; (E) Stefan Bengtson