The fossil remains of Ardipithecus ramidus showed that _____.

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The fossil remains of Ardipithecus ramidus, which date back to about 4.4 million years ago, provide evidence that the ability to walk upright (bipedalism) evolved before the significant increase in brain size that characterizes later hominins. This species demonstrates anatomical features supportive of bipedal locomotion, while its brain size is more similar to that of modern chimpanzees than to later humans.

The Fossil Remains of Ardipithecus Ramidus Showed That _____