The new evidence, from scientists at the University of St Andrews, suggests that some modern day animals may have evolved instead by becoming less complex.
The researchers say that the discovery, of ghostly remains of gene neighbourhoods that once existed in a 550 million year old ancestor, suggests that the earliest animal was more complex than previously thought.
Read more at Phys.org
September 28, 2012
Research Suggests that Evolution Sometimes Meant Becoming Simpler, Not More Complex
Animals have become more complex over time could be a thing of the past.
