Which of the following was not an anatomic change in the evolution of the Homo line from australopithecine ancestors to Homo erectus?

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Increase in sexual dimorphism Explanation: During human evolution from Australopithecus to Homo erectus: • There was a decrease in humerus/femur ratio, • Limb structure adapted for bipedalism, • Brain size increased significantly. However, sexual dimorphism (differences between males and females) actually decreased, not increased, males and females became more similar in size and form.

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