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Anatomically Modern Humans Morphology.docx

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Langara College
ANTH 1131

Anatomically Modern Humans Morphology (AMH)  Fossils that date after 25,000 years are quite common Things We Know:  We AMHs first appear between 250,000 and 150,000 years ago  The oldest AMH fossils we have are from Africa  AMH fossils from outside of Africa are more recent Among all modern humans, there is a wide range of structures – difficult to make a list of traits that can characterize all AMHs. However, there are some characteristics that are common that are shown in AMHs and not in other species, such as Neanderthals. Cranial differences:  Tall, rounded cranial vault (soccer ball, rather than football)  More vertical forehead  Little or no brow ridge  However, affected by sexual dimorphism  Our faces tend to be flat and tucked under our brain case  Tend to have a large mastoid process, a bony projection found behind the ear – where one of the muscles in your neck attaches to the head that allows us to tilt our head side to side and rotate  Has a rounded occipital in the back  Humans as well has a chin, not seen in early hominin fossils  Widest point of our cranial breadth is high up on the forehead, while for the Neanderthals, it tends to be
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