Activity

Has The Debate Been Put To Rest On Which Animal On Earth, Specifically The Jellyfish Or The Sponge, Has The Oldest Family Tree Branch? Well, The Jellyfish May be The First Animal According To Recent Findings By Scientists. The Study Would Aid In Understanding The Evolution Of The Nervous And Digestive Systems.

First Animal? Jellyfish May Take the Prize

http://www.livescience.com/58622-jellyfish-evolved-before-sponges.html

The world’s oldest animal is the jellyfish, not the sponge.