Hair tracts on arm of man and chimpanzee.

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Size: 3824px × 5485px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 20th, arm, arms, beings, biology, century, chimpanzee, chimpanzee., diagram, evolution, hair, human, mamals, man, science, species, tracts