system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why did we evolve to have one dominant hand and foot instead of just being ambidextrous?
gpt
Ambidexterity takes up real estate in the brain, real estate that could be used for something else.

And since there just aren't that many situations where it gives a survival advantage, evolution decided to do something better with that brain space.