Homo Errectus: A Anthropological Study - authoritative answer
Is there a phylogeny of Homo? Milford H. Wolpoff Resumen Hypotheses of species genealogy are poorly supported when the species are closely related, and phylogenetics cannot be justified at all below the species level both for this reason and because the parsimony principle is invalid when there is reticulation. With the transfer of the habiline species out of Homo, several lines of evidence suggest that this genus has only a single lineage and therefore a species throughout the Pleistocene: Homo sapiens. Anatomical details supporting this contention are found in the continuity of different features in different regions. The emerging pattern shows population reticulation based on gene flow and population movement that reflects a network of interrelationships allowing adaptive changes to broadly spread throughout the species range. Genetic evidence precludes a recent small population size bottleneck, and thereby makes very unlikely an explanation of Pleistocene variation and evolution based on successive species replacements.Homo Errectus: A Anthropological Study Video
Homo Errectus: A Anthropological Study
Tumblr Archaeologists have discovered hundreds of stone tools in a goldmine where Homo erectus would have inhabitedyears ago in the eastern part of the Sahara Desert, 70 km east of the modern city of Atbara in Sudan.
Studies of surviving fossils suggest that the species had a humanlike gait and body proportions, and was the first human species to have exhibited a flat face, prominent nose, and possibly sparse body hair coverage. A gold rush in the eastern Sahara Desert has led to many open-cast mines being excavated in search of the valuable ore.
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The mining activity has allowed archaeologists to study exposed layers containing large tools with a transverse cutting edge, and almond-shaped cleaver tools with chamfered edges on both sides, which form a pointed tip at the junction. Archaeologists believe that the site was a workshop for the manufacturing of stone tools, evident by the discovery of associated flakes formed during oHmo production.
Layers of earth and sand lying just above the tools have been analysed using optically stimulated luminescence OSLwhich dates the earthen-sand layer to around thousand years ago.]
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