Question

What are the ape-like traits exhibited by Australopithecus anamensis?

What are the ape-like traits exhibited by Australopithecus anamensis?

Homework Answers

Answer #1

Au. afarensis had both ape and human characteristics: members of this species had apelike face proportions (a flat nose, a strongly projecting lower jaw) and braincase (with a small brain, usually less than 500 cubic centimeters -- about 1/3 the size of a modern human brain), and long, strong arms with curved fingers adapted for climbing trees.

The teeth of Australopithecus anamensis are markedly apelike - large canines, parallel tooth rows

Jaws were ape-like in having: a jaw shape in which the side rows of teeth were arranged in parallel lines; a lower jaw in which the bone below the front teeth was sloping backward rather than projecting forward into a chin; and an upper jaw with a shallow palate (roof of the mouth)

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