EVOLUTION LINK. The human fetus grows a coat of fine hair (the lanugo)that is shed before or shortly aft er birth. Fetuses of chimpanzees and other primates also grow coats

EVOLUTION LINK. The human fetus grows a coat of fine hair (the lanugo)that is shed before or shortly aft er birth. Fetuses of chimpanzees and other primates also grow coats of hair, but they are not shed. Explain these observations based on what you have learned in this chapter.


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