Evolution: Bilaterians (Introduction)

by David Turell @, Friday, June 29, 2012, 15:35 (4531 days ago)

Before the Cambrian Explosion simple bilateral soft animals existed, simple sacks with an opening for a mouth. Now dated back to 585 million years ago:-http://phys.org/news/2012-06-resets-date-earliest-animal-life.html


Complete thread:

 RSS Feed of thread

powered by my little forum