UT Knoxville ANTH 110 - Early Homo (2 pages)

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Early Homo

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Early Homo


A look at the genera classified as "Early Homo", our ancestors

Lecture number:
Lecture Note
University of Tennessee
Anth 110 - Human Origins
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ANTH 110 1nd Edition Lecture 23 Outline of Last Lecture I Paranthropus II Australopithecus in South Africa Outline of Current Lecture I Tools II Early Homo A Homo rudolfensis and Homo habilis B Pliocene Pleistocene Epoch ii Homo erectus Homo ergaster Current Lecture I Tools The first ever tools are referred to as Oldowan technology discovered by Louis Leaky These tools are made with water worn volcanic rock There are two main categories cobbles that can be worked into a chopper and flakes By hitting a cobble with another rock it knocks off flakes which are very sharp and used to remove meat Cobbles and choppers we used to get marrow II Early Homo 2 5 1 4 m y a Louis Leakey discovered a skull in 1964 Contemporaneous with australopiths Larger cranial capacity than Apiths Early homo 20 larger Teeth more modern than Apiths but still bigger than ours A Homo rudolfensis and Homo habilis These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Homo rudolfensis and Homo habilis were derived from the Austrolopiths It has not been determined whether homo rudolfensis or homo habilis was our ancestor One was a dead end we believe Homo rudolfensis has a flat face a smaller brow ridge and slightly larger cranial capacity B Pliocene Pleistocene Epoch 1 8 m y a Major adaptive shift in hominins perhaps environmental or climatic shifts evidence of another African resident larger body size and brain size ii Homo erectus Homo ergaster outside Africa 1 8 m y a 250 k y a Ergaster is used to refer to erectus in Africa They have a little bit smaller brow and a rounder head Earliest African emigrants were descendents of east African erectus They moved to follow food and resources as we all do Arrived in Indonesia in less than 200 000 years The most close to the present emigrants are from China Classic homo erectus traits taller face a little progmathic teeth pattern much more like ourselves than Austropiths The first discovery of homo erectus was in 1890 s in Indonesia by Dubois In the 1950 s Ernest Mayr said that all these fossils found were of the same species This is where homo erectus came from from very stronger He A discovery in the 1980 s from Africa known as Nariokotome boy was a significant discovery It was a nearly full skeleton of youth He was tall and showed how erectus had evolved its ancestors He had modern limb proportions He had thick cortical bone This means the bone was much also had a similar brain size to us An erectus was discovered in the country Georgia in the 1990 s Known as Dmanisi Discoveries

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