Selat, conductor-Afar, during an expedition in 1980 on duty on the roof of the Land Rover, guarding the camp. The structure of the foot Australopithecus afarensis. as if it contained the key to solving other problems still remain open: what changes the foot bones were associated with bipedal locomotion? In humans, the joint surfaces metatarsals extended at the top and tapered at the bottom. For chimpanzees characteristic inverse relationship. Australopithecus afarensis is in this sense occupies an intermediate position. It is possible that his bones are a transitional stage and that the ability to manipulate the fingers could be lost gradually as changing the shape of the end portions of the metatarsal bones. Again Latimer warns that this conclusion may be flawed. Foot chimps - this one, it is designed for action, which are peculiar to a monkey. The foot of man - something quite different: it is a specific structure that has adapted to a different lifestyle. Australopithecus afarensis foot, according to Latimer, may be something to third, and not necessarily - a transitional stage from one evolutionary stage to another, higher. It can be considered as the optimal design for the species of hominids, leading a particular lifestyle in a particular area. We do not know how quickly evolved hominids stop, when, and how this process took place. To answer these questions, said Latimer, we need new and, moreover, more ancient finds.
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