Fossils from some of the oldest-known animals on Earth, dating from 574 million years ago (Ediacaran period), suggest that cloning, not competition, dominated the Ediacaran seas, slowing evolution ...
A study has found that the reason why the evolution of the first animals to appear on Earth was delayed for over 10 million ...
The way that Earth's first animals reproduced held back life's diversity for millions of years, until stress and competition ...