Human beings are somewhat unusual among primates in the length of their life span beyond their productive years.This may have provided an adaptive advantage over the course of evolution and is known as ____.
A)the wisdom of elders
B)the grandmother effect
C)survival of the fittest
D)the grandfather effect

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The Answer of Human beings are somewhat unusual among primates in the length of their life span beyond their productive years.This may have provided an adaptive advantage over the course of evolution and is known as ____.
A)the wisdom of elders
B)the grandmother effect
C)survival of the fittest
D)the grandfather effect

Human Beings Are Somewhat Unusual Among Primates in the Length