Navigation Links
New book further supports controversial theory of 'Man the Hunted'
Date:8/20/2008

rt decided to focus their research on one specific species, Australopithecus afarensis, which lived between five million and two and a half million years ago and is one of the better known early human species. Most paleontologists agree that Australopithecus afarensis is the common link between fossils that came before and those that came after. It shares dental, cranial and skeletal traits with both. It's also a very well-represented species in the fossil record.

"Australopithecus afarensis was probably quite strong, like a small ape," Sussman says. Adults ranged from around 3 to 5 feet and they weighed 60-100 pounds. They were basically smallish bipedal primates. Their teeth were relatively small, very much like modern humans, and they were fruit and nut eaters.

But what Sussman and Hart discovered is that Australopithecus afarensis was not dentally pre-adapted to eat meat. "It didn't have the sharp shearing blades necessary to retain and cut such foods," Sussman says. "These early humans simply couldn't eat meat. If they couldn't eat meat, why would they hunt?"

It was not possible for early humans to consume a large amount of meat until fire was controlled and cooking was possible. Sussman points out that the first tools didn't appear until two million years ago. And there wasn't good evidence of fire until after 800,000 years ago. "In fact, some archaeologists and paleontologists don't think we had a modern, systematic method of hunting until as recently as 60,000 years ago," he says.

"Furthermore, Australopithecus afarensis was an edge species," adds Sussman. They could live in the trees and on the ground and could take advantage of both. "Primates that are edge species, even today, are basically prey species, not predators," Sussman argues.

The predators living at the same time as Australopithecus afarensis were huge and there were 10 times as many as today. There were hyenas as big as bears, as well as saber-toothe
'/>"/>

Contact: Neil Schoenherr
nschoenherr@wustl.edu
314-935-5235
Washington University in St. Louis
Source:Eurekalert  

Page: 1 2 3 4 5

Related biology news :

1. Further development of Water Framework Directive necessary
2. Further breakthroughs for breast cancer patients
3. Worlds largest investor coalition seeks further disclosure on climate change and shareholder value
4. Immunosuppressant further linked to birth defects
5. New study casts further doubt on risk of death from higher salt intake
6. New CITES quotas allow more caviar export, further jeopardize endangered sturgeon
7. UNC, Caltech research finds further evidence for genetic contribution to autism
8. Grant supports study of abnormal ring-shaped chromosomes
9. Fossil record supports evidence of impending mass extinction
10. Gene study supports single main migration across Bering Strait
11. Study supports reason for concern in childhood and adolescent obesity
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
New book further supports controversial theory of 'Man the Hunted'
(Date:7/30/2014)... journal Scientific Reports , published by Nature ... that while global temperature is indeed increasing, so too ... each year,s average hottest and coldest temperatures will likely ... a wider range of potential high and low temperate ... even as overall temperatures rise, we may still continue ...
(Date:7/29/2014)... New research by academics in the University of Bristol,s ... we take liquid calories into account when planning meals. ... for the Study of Ingestive Behavior Conference (SSIB 2014) ... August], argues that we do. , The team was ... the School of Experimental Psychology. , As part of ...
(Date:7/29/2014)... The advanced optical methods and applications for imaging and ... in the neurosciences were the inspiration behind Neurophotonics ... international society for optics and photonics. , The first ... in the United States, and a special section features ... examples of the impact that optics and photonics will ...
Breaking Biology News(10 mins):Big data confirms climate extremes are here to stay 2SPIE launches Neurophotonics journal with special section on BRAIN Initiative 2SPIE launches Neurophotonics journal with special section on BRAIN Initiative 3
... University of New Hampshire researchers have received a ... farm as a sustainable closed agroecosystem, exploring viable ... grant, from the U.S. Department of Agriculture,s Sustainable ... explore whether closing energy and nutrient cycles could ...
... surface waters in the arid deserts of the U.S. ... fascinated scientists for over two centuries. A new publication ... diversity of closed basins, ancient lake beds, and partially ... Marith C. Reheis of the USGS, "tantalizes scientists with ...
... magazine dedicated to covering the global environment, is launching ... the former editor of Mother Jones and Audubon magazines, ... leading Web sites for commentary and reporting on the ... inaugural edition features articles by noted environmental advocate and ...
Cached Biology News:UNH receives $380,000 grant to study organic dairy as closed ecosystem 2UNH receives $380,000 grant to study organic dairy as closed ecosystem 3Yale Environment 360 magazine launches online 2
(Date:7/30/2014)... 2014 NCERC at Southern Illinois ... his findings on corn stover pretreatment methods at ... in Washington, D.C. , “Arun’s selection for ... a testament to the success of our postdoctoral ... to the foresight and vision of SIUE and ...
(Date:7/30/2014)... Connecticut Center for Advanced Technology, Inc. ... Hartford, Conn., was awarded a Rural Business Enterprise Grant ... that will determine the feasibility of implementing an ... Rural Development provided $53,000 for CCAT under the Rural ... of the feasibility study in fiscal year 2014. , ...
(Date:7/30/2014)... Diego, CA (PRWEB) July 30, 2014 ... contract from the U.S. Environmental Protection Agency (EPA). ... expertise in developmental toxicity models, including tests designed ... neuron formation and the formation of connections between ... Inhibition of neurodifferentiation and synapse formation by environmental ...
(Date:7/30/2014)... Diego, CA (PRWEB) July 30, 2014 ... announced their weighing boat special – Buy ... 1 free. This promotion will benefit lab technicians looking ... work. Weighing boats are ideal for multiple applications including ... offers a variety of choices including diamond-shaped, hexagonal, square, ...
Breaking Biology Technology:NCERC at SIUE Researcher Takes Stage at Department of Energy Conference 2NCERC at SIUE Researcher Takes Stage at Department of Energy Conference 3USDA Grant Funds Second Phase of Bio-Energy Research Community Economic Development in CT 2USDA Grant Funds Second Phase of Bio-Energy Research Community Economic Development in CT 3U.S. Environmental Protection Agency (EPA) Awards Vala Sciences a Second ToxCast Contract 2U.S. Environmental Protection Agency (EPA) Awards Vala Sciences a Second ToxCast Contract 3Weighing Boat Promotion Now Available at Pipette.com, Major Pipette Distributor 2
... Lab to Offer Quantitative Coronary Angiographic ... Analysis ... plc (NASDAQ: ICLR;,ISIN:IE0005711209), a global provider of outsourced development ... that its Medical Imaging division has become the first ...
... and law enforcement officials may some day have a new ... air for virtually all of the major threat agents that ... is under development by a team of Lawrence Livermore National ... in laboratory and field experiments. , In their latest advance, ...
... San Antonio (June 30, 2008) Researchers at The University ... Emerging Infectious Diseases and The University of Texas Health Science ... believed to play a role in controlling the early infectious ... bioterrorism agent that is the cause of tularemia. The findings ...
Cached Biology Technology:ICON Medical Imaging Launches New Service to Boost Reliability of Cardiology Studies 2Tests show LLNL detection instrument can monitor the air for all major terrorist threat substances 2Tests show LLNL detection instrument can monitor the air for all major terrorist threat substances 3UTSA/UTHSCSA publish results on bio-threat agent 2
... CLS number is a new ... match Cornings product number. If ... order under the old Sigma-Aldrich ... service for assistance. ...
... pleiotropic cytokine produced by activated T cells, ... the growth of some tumour and normal ... Kaposis sarcoma cell proliferation, cytokine release from ... expression on hepatoma cells. Mouse OSM was ...
... The PHD2000 syringe pump series combines Harvard ... user interface and a wide range of configuration ... contains the dimensions of syringes from all the ... you read all the pertinent information from across ...
Mouse monoclonal [34B12] to Nop5p + Nop58p - Nucleolar Marker ( Abpromise for all tested applications)....
Biology Products: