1 gen 3200000 anni a. C. - family Hominidae lived

Descrizione:

In what today is Ethiopia, members of the biological family Hominidae
lived, represented today by the nickname "Lucy." The angle of her knee
joint indicates that she walked upright. She was 1.1 meters (3 feet 8
inches) tall. Walking upright improves the ability to run after game
and to run from danger.

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