The earliest anatomically modern humans come from Africa and date to around 190 ka. Decide which of the following cranial features are unique to modern humans or unique to another hominin species.largest hominin brain sizeunique to modern humansflat facerelatively small noseprominent chinvertical forehead
unique to another hominin specieslargest hominin brain sizeunique to modern humansflat facerelatively small noseprominent chinvertical forehead
largest hominin brain size: This is a unique feature of modern humans. While other hominin species had a progressively increasing brain size, the human brain size is substantially larger than any other species and has continued to increase over the last 200,000 years.
flat face: This is not a unique feature to modern humans. Some hominin species such as Homo erectus and H. heidelbergensis also have relatively flat faces.
relatively small nose: This is not a unique feature to modern humans. Other hominin species, such as Australopithecus afarensis, also have relatively small noses.
prominent chin: This is a unique feature of modern humans. While some hominin species, such as H. neanderthalensis, also have a slightly protruding chin, the modern human chin is significantly more pronounced.
vertical forehead: This is a unique feature of modern humans. While other hominin species also have a sloping forehead, the modern human forehead is much more vertical, giving the face a more pronounced angle from the forehead to the nose.
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