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Australopithecus-The Transitional Human Forms
By about two million years ago, there were several well established hominid ancestors in Africa. One of the earliest of these is Australopithecus. Fossils of Australopithecus, which have been recovered from South and East Africa, show that their brains were relatively small, the bones enclosing the brain, therefore, were rather ape like, but the face was shorter than in apes. The enamel of the teeth indicated that Australopithecus ate essentially fruits. The evidence for two-footed posture in Australopithecus is strong as the back bone shows the typical hominid curvature. Also the hip bone, which is the skeletal frame to which the legs are attached is shorter than in apes, although it is not as short as in modem humans.
Anthropological Evidence Modern humans arose at a time when the Earth was going through a very cold and icy period called the Ice Age, which began about 75,000 years ago and
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Observing changes of position of the earth with respect to the sun Mark a line on the floor or the wall where the sun shines in your room. Note the exact month, day and hour. A
1. The red shift seen in all distant galaxies, whose size is proportional to its distance from us, what effect will this have on planet Earth?
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