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Which pre Hominins or hominins show signs of bipedalism?The earliest hominid with the most extensive evidence for bipedalism is the 4.4-million-year-old Ardipithecus ramidus.
How was bipedal locomotion important to hominin evolution quizlet?Why did hominins evolve from an apelike primate? Because of bipedal locomotion. This form of movement may have provided hominins with a more efficient means of exploiting patchy forests, freeing the hands for feeing in trees and on the ground.
What caused bipedalism in humans?The possible reasons for the evolution of human bipedalism include the freeing of the hands to use and carry tools, threat displays, sexual dimorphism in food gathering, and changes in climate and habitat (from jungle to savanna).
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Anatomical changes in hominins indicative of habitual bipedal locomotion include:
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