MIT9_14S09_prob35a

MIT9_14S09_prob35a - 9.14, MIT, Spring 2009 Classes #35-38...

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9.14, MIT, Spring 2009 Classes #35-38 Study Questions Questions on Allman ch 7: 1. What animals are closest to humans in the brain-body weight relationship? (See p 161 and following pages.) 2. In this relationship, how do humans compare with fruit-eating primates and with leaf- eating primates? 3. How does human ability to cook food promote larger brain size? (See the discussion of energy requirements of various organs, p 166f.) 4. How does parenting relate to the constraint that probably sets an upper limit in the evolution of brain size (p 175)? 5. Sexual dimorphism in brains corresponds to differences in behavior between the sexes. How does this relate to longevity? (Why do females live longer in many, but not all, species? See p 177ff.) 6. How does Allman relate the male vs female longevity findings on humans to the serotonin system? How might this relate to hippocampal size (from the findings of Robert Sapolsky)? (See pp 184-188.) 7. What is meant by calling humans a pedomorphic ape? (See figure p 197 and
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MIT9_14S09_prob35a - 9.14, MIT, Spring 2009 Classes #35-38...

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