Sunday, February 26, 2012

Homo Habilis and Homo Erectus

Homo Habilis emerged between 2.3 and 2.5 million years ago.They had brains that were large compared to their  body size.Their faces protruded less,teeth smaller,legs longer and arms shorter.They produced stone tools.They lived in grassland,hunted small animals and scavanged the remains of large animals.Stone rings found in Olduvai Africa suggest that Homo Habilis built shelters for protection against cold weather and predators.The earliest remains of Homo Habilis are from Africa but it is disputed since a variety of fossils from China and Indonesia are more than 1.8 million years old.The tools are also traced in Pakistan and France.This suggest that Homo Habilis spread out from Africa.

Homo Erectus
Homo Erectus was a human species found in Asia,Africa and Europe and were present between 1.8 million and 200,000 years ago.the body size of Homo Erectus was larger than Homo Habilis.The average brain size  was also larger at 1000 cubic centimetres.They were not the first to walk upright.They were widespread in Africa,Asia and Europe.It shows that they were adaptable to a variety of climatic and ecological settings.Anthropologists have found variety of stone and deer antler tools.Remains in Spain show that Homo erectus hunted large animals like elephants.Bone tools found in China show that animal skins were stitched together for clothing. 

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