Life on Earth started billions of years ago, exactly the earliest known fossils date from 3.5 billion years ago and there is evidence that the biological activity took place even earlier than this. For example, cyanobacteria exist from the same start but today we are going to speak about some bigger guys whose existence started hundreds of million years ago and they still live on our mother Earth. Here are the 10 oldest animal species on Earth alive today.
By: THE MAGNUM Title: 10 Oldest Animal Species On Earth Alive Today Sourced From: www.youtube.com/watch?v=MT_Y5dRtaV8
