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Our heads are big to fit our brain. Our pelvis is shaped and structured for upright gait, and so not big. The struggle is indirectly due to the traits that driv
by ip26 3y ago
Our heads are big to fit our brain. Our pelvis is shaped and structured for upright gait, and so not big. The struggle is indirectly due to the traits that drive or success.
- bemusedthrow75 3y agoAre our heads actually unusually big, for a mammal scaled to our size? I've often wondered about this. Especially for a mammal with front-facing eyes.
- ip26 3y agohttps://en.wikipedia.org/wiki/Brain–body_mass_ratio https://en.wikipedia.org/wiki/Brain–body_mass_ratio It's interesting to note our peers in this regard. Mice have a two-piece pelvis, and dolphins have no pelvis at all.
- bemusedthrow75 3y agoOMG of course there's a wikipedia page for it! Thank you :-)