The ancestors of humans most of the time, moved in trees, not on the ground.
A group of American scientists found that Lucy (the famous Australopithecus afarensis specimen discovered in 1974) and its relatives most of the time, moved in trees, not on the ground. A study published in the journal PLoS ONE.
Christopher raff (Christopher Ruff) from the school of medicine at Johns Hopkins University and his colleagues have recreated a 3D model of the humerus and femur on the basis of the remains of Lucy. This data allowed the scientists to figure out that the strength of the hands and feet of Australopithecus afar much superior to modern man, but inferior to the chimpanzee.
This leads to the conclusion that much of the time Lucy used the trees to move, to gather food and hide from predators. The researchers suggest that the ancestors of humans climbing trees for millions of years.
In late August, scientists from the University of Texas in Austin found out that Lucy was killed falling off the tree. Avarskii the Australopithecines lived in the trees and on the ground. Scientists suggest that adaptation to walking upright could prevent these hominids to climb trees as deftly as ancestors, and most likely contributed to the frequent falls from height.
The remains of Lucy were discovered by the French-American expedition in the awash valley in Ethiopia on 24 November 1974. Her skeleton was preserved almost 40 percent (a very rare occurrence). Lucy, who lived about 3.2 million years ago, walked on two legs — she was a member of the species, which probably occurred in the genus Homo.
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