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Essay Quiz

1
The human brain is not just allometrically larger, but also shows specializations not found in other primates. However the increases in the size of the human brain also created problems in early human evolution. What is the selective advantage for limiting the size of the human brain and the implications for female anatomy?
2
Various theories have been proposed to account for an evolutionary advantage of delayed human maturation and extended childhood. One explanation considers that an extended period for brain development and learning may be beneficial for the mother as well as the child. What is the possible selective advantage for the adolescent growth spurt considering the reproductive, social, and developmental factors?





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