Aspects of this topic are discussed in the following places at Britannica.
Click-on-each-individual-for-a-larger-imageClick on each individual for a larger image.[Credits : Encyclopædia Britannica, Inc.]
Possible-pathways-in-the-evolution-of-the-human-lineagePossible pathways in the evolution of the human lineage.[Credits : Encyclopædia Britannica, Inc.]
Skeletal-and-muscular-structures-of-a-humans-leg-and-aSkeletal and muscular structures of a human’s leg (left) and a gorilla’s leg (right).[Credits : Encyclopædia Britannica, Inc.]
Comparison-of-the-pelvis-and-lower-limbs-of-a-chimpanzeeComparison of the pelvis and lower limbs of a chimpanzee, an australopith, and a modern human.[Credits : Encyclopædia Britannica, Inc.]
The-skeletal-structure-of-a-human-being-and-of-aThe skeletal structure of a human being (left) and of a gorilla (right)[Credits : Encyclopædia Britannica, Inc.]
A-trail-of-footprints-probably-left-by-Australopithecus-afarensis-individualsA trail of footprints probably left by Australopithecus afarensis …[Credits : John Reader/Photo Researchers]
A-single-footprint-of-Australopithecus-afarensis-left-some-35-millionA single footprint of Australopithecus afarensis (top), left some 3.5 …[Credits : John Reader/Photo Researchers]A single footprint of Australopithecus afarensis (top), left some 3.5 …[Credits : John Reader/Photo Researchers]
View-of-the-base-of-the-human-skull-showing-theView of the base of the human skull, showing the central location of the foramen magnum.[Credits : Encyclopædia Britannica, Inc.]
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