posted on Oct, 22 2009 @ 01:47 PM
No clue, sorry. But I do know, that the giant insects that lived about 320 million years ago could not have survived without all that O2.
The largest dragonfly I could find was Meganeura
with a wingspan of 2.5 ft!
After the plants, insects were the next lifeform to exit the oceans.
Can you imagine an age when the only thing one could have heard in the world was the rustling of the wind in the leaves, the falling of a branch, or
the bubbling of the bog?