Navigation Links
The roots of civilization trace back to ... roots

About five to seven million years ago, when the lineage of humans and chimpanzees split, edible root plants similar to rutabagas and turnips may have been one of the reasons. According to research by anthropologists Greg Laden of the University of Minnesota and Richard Wrangham of Harvard University, the presence of fleshy underground storage organs like roots and tubers must have sustained our ancestors who left the rain forest to colonize the savannah. They have published their research in the October issue of the Journal of Human Evolution.

"You can think of roots as a kind of 'conveyor belt' ... they were somewhat available in the forest, but abundant on the savannah," said Laden. "Once roots were 'discovered,' chimp-like creatures would not only be able to survive on the savannah, but may well have been compelled to extend their range into more and more open habitats."

When our ape ancestors moved -- for reasons unknown -- onto the open, relatively treeless savannah, they left behind the rain forest and its abundance of fruit and leaves, the mainstays of modern chimpanzee diets. Laden and Wrangham believe that savannah-dwellers may have adopted game as their primary food in place of fruit. But for a fallback food, they may well have taken to eating roots and tubers, which are much more abundant on savannahs than in rain forests.

In the article, Laden and Wrangham say that the evidence lies in the fossil record, specifically teeth and jaws. The teeth and jaws of savannah dwelling apes evolved into large massive jaws, jaw muscles and molars, ideal for grinding roots instead of shearing leaves. The size of the teeth and jaws reflect the apes' secondary food source (roots) instead of primary foods like meats and fruits, which do not require such massive chewing abilities.

While our ancient ancestors may have left the rain forest for the savannah in pursuit of game meat, it was the ability to find and eat roots that may have contri
'"/>

Source:University of Minnesota


Page: 1 2

Related biology news :

1. Scientists discover the cellular roots of graying hair
2. Two NIH initiatives launch intensive efforts to find roots of common diseases
3. Genetic roots of bipolar disorder revealed by first genome-wide study of illness
4. Researchers trace evolution to relatively simple genetic changes
5. MSI releases moleculizer - a new approach to simulation of intracellular biochemical networks
6. Bone Density Recovers After Teens Stop Injected Contraceptive
7. Of mice and mens (and womens) contraceptives
8. Critical step traced in anthrax infection
9. DNA traces evolution of extinct sabertooths and the American cheetah-like cat
10. Team led by Carnegie Mellon University scientist finds first evidence of a living memory trace
11. Tracking the memory trace
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: The roots civilization trace back roots

(Date:8/12/2015)... SPRINGS, Florida , August 12, 2015 ... the pace of mobile payment innovation and advanced biometrics ... to replace the way consumers rely on using their ... ahead with reinventing the future for payment services led ... (NASDAQ: NXTD ), :  Google, Inc. (NASDAQ: ...
(Date:8/12/2015)... SAN JOSE, Calif. , Aug. 12, 2015 ... leading developer of human interface solutions, today announced ... the recently announced Match-in-Sensor solution, have officially been ... (FIDO) Alliance. As part of the certification, Synaptics, ... the FIDO 1.0 Universal Authentication Framework (UAF) standard ...
(Date:8/10/2015)... Germany , August 10, 2015 ... leader in Eye Tracking Technology for more than two ... Tracking Platform for integration into all consumer display formats. ... for seamless integration of eye tracking into consumer tablets, ... augmented reality smart glasses. Omnivision,s leading sensor technology contributes ...
Breaking Biology News(10 mins):Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 2Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 3Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 4Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 5Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 6Synaptics Announces FIDO Certification of Natural ID Fingerprint Solutions 2Synaptics Announces FIDO Certification of Natural ID Fingerprint Solutions 3SMI Completes OEM Eye Tracking Platform to Cover All Consumer Displays 2SMI Completes OEM Eye Tracking Platform to Cover All Consumer Displays 3
... follows form" might have been written to describe proteins, ... nature,s workhorse biomolecules enables each to carry out its ... X-ray protein crystallography, in which a beam of x-rays ... protein,s atoms, creating a diffraction pattern of dots that ...
... prescribed drugs for the treatment of heart failure are beta-blockers ... the heart,s workload. The drugs were thought to produce those ... study led by scientists at Temple University School of Medicine, ... counteracting the effects of an enzyme known as GRK2. The ...
... Nov. 5, 2013  The AVS has selected its major award ... to encourage excellence in research and innovation in technical areas ... award winners: Medard W. Welch Award— Dr. ... Barbara, "For seminal contributions to the theory of heterojunctions and ...
Cached Biology News:Bringing out the best in X-ray crystallography data 2Temple researchers uncover clues to how existing heart drugs work 2AVS Announces Its Major Award Winners of 2013 2AVS Announces Its Major Award Winners of 2013 3AVS Announces Its Major Award Winners of 2013 4AVS Announces Its Major Award Winners of 2013 5AVS Announces Its Major Award Winners of 2013 6
(Date:8/31/2015)... DUBLIN , Aug. 31, 2015 Research ... of the "Israel Biomedical Sensors Market - Growth, ... The Israel Biomedical Sensors market is ... of 3.73% over the period 2014-2020 The ... to the genetic formulation of each individual. These sensors ...
(Date:8/31/2015)... 31, 2015 /PRNewswire/ - Portage Biotech Inc. ("Portage" or ... is pleased to announce that its wholly owned subsidiary, ... candidate, PPL-003, to an Investigational New Drug (IND) application ... uveitis.  PPL recently completed a study in a rat ... achieved highly significant efficacy and a more rapid onset ...
(Date:8/31/2015)... HAYWARD, Calif. and SHANGHAI ... Inc., a privately-held biopharmaceutical company developing next-generation antibiotics, ... Phase 2 clinical study for its lead drug ... designed to treat drug-resistant bacteria such as MRSA ... safer and better tolerated therapeutic option than currently ...
(Date:8/31/2015)... 31, 2015 Trimb Healthcare AB ("Trimb") today ... YouMedical Group BV ("YouMedical"), a Dutch OTC company with ... sales of approximately EUR 16 million, with solid growth ... "Our ambition is to build a leading international OTC ... that goal. YouMedical gives us a stronger North European ...
Breaking Biology Technology:Israel Biomedical Sensors Market 2015 - Growth, Trends & Forecasts to 2020 2Portage's PPL will advance its lead candidate PPL-003 to an IND for dry eye disease and uveitis 2Portage's PPL will advance its lead candidate PPL-003 to an IND for dry eye disease and uveitis 3MicuRX Reports Positive Top-Line Results In Phase 2 Clinical Trial For Novel Antibiotic MRX-I In Complicated Skin And Soft Tissue Infections 2
... movies of living cell membranes, taken by a research ... New Mexico, have clarified a decades-old enigma surrounding receptor ... of the Journal of Cell Biology , promise ... development. The work focuses on G protein-coupled receptors ...
... Feb. 7, 2011 Gizmox, the developer of ... their entrance into the Business Mobility Market. Visual WebGui,s ... applications to the Web or Cloud, has now been ... using a simple mapping and configuration tool.  IdeoMobile, in ...
... 2011 Cmed Technology ... host a roundtable and give a presentation about electronic ... Summit for Clinical Ops Executives ( SCOPE ) conference ... (Logo: http://photos.prnewswire.com/prnh/20100707/NY31446LOGO) As part of SCOPE,s two-day ...
Cached Biology Technology:Expanding drug development horizons: Receptor behaviors observed in living cell membranes 2Gizmox Enters the Business Mobile Application Market - Visual WebGui Based Solutions Deployed in Major Financial and Medical Institutions 2Gizmox Enters the Business Mobile Application Market - Visual WebGui Based Solutions Deployed in Major Financial and Medical Institutions 3Cmed Technology to Host Roundtable, Give Presentation About EDC Pain Points at Summit for Clinical Ops Executives (SCOPE) 2Cmed Technology to Host Roundtable, Give Presentation About EDC Pain Points at Summit for Clinical Ops Executives (SCOPE) 3
... Antibody to Cytokeratin 5 / 6 ... molecular weight, basic type of cytokeratin expressed ... cell layers of stratified epithelia as well ... mesothelial cells and mesothelioma. Cytokeratin 6 (56 ...
Aldolase A (N-15)...
... Y2 Receptor antiserum This NPY Y2 ... level and is currently being characerized in brain. ... and mouse and appears to work better on ... rat. For full characterizarion in dorsal root ganglion ...
Black Polypropylene 384 Round Well Plate 70/Box...
Biology Products: