Mar 4, 2011 #1 T TEENY New member Joined May 6, 2008 Messages 8 Reaction score 0 Points 1 please list all the disadvantages of being a Homo Erectus.
Mar 4, 2011 #2 D DonnaA1 New member Joined Dec 19, 2008 Messages 7 Reaction score 0 Points 1 We still have a quadruped skeleton, but now we make it walk upright. It's hard on the spinal column.