Originally Posted by GonnaGetBig
And really if it were a survival of the fittest thing wouldn’t strength play a huge advantage?
Evolution is about intelligence and physical make-up (not just strength). For example, we as humans developed opposed thumbs because that's what let us survive as omnivores the most efficient way. Strength was only useful to an extent-- I'm sure there have existed humans that were much stronger than anyone today, but there was no evolutionary need for these people. They had no advantage by being significantly stronger; all we needed to survive was hunting and gathering intelligence (for purposes of sustenance), and the desire to procreate.
There exists a wide array of body types (everything from metabolism speed to musculature to skin color) in the world today because these things mattered the least in procreation and survival, therefore they haven't been "weeded out" (yet?).