Human Evolution - Skulls
Human evolution is the biological and cultural development and change of our hominin ancestors to modern humans.
The ancestors of today's modern apes (gorillas, orangutans, gibbons, chimpanzees and humans) first appeared in the fossil record about 27 million years ago. By examining their skulls we can explore characteristics which reflect their evolutionary relationships.
More information on skulls
Australopithecines: hominins characterized by relatively small brains, large cheek teeth, a skeleton with some ape-like features and little evidence of culture.
Cranial capacity: the capacity or size of the brain case and therefore the brain.
Dental arcade: the shape made by the rows of teeth in the upper jaw.
Foramen magnum: the great hole in the underside of the skull that forms a passage from the brain cavity to the spinal canal.
Homo species: hominins characterised by relatively and absolutely large brains, a modern skeleton, reduced tooth and jaw size and an involvement in cultural activities.
Inferred culture: the material evidence that indicates that a species had developed a way of living that was passed on from one generation to another.
mya: million years ago
unifacial: having one worked side
ya: years ago
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