Find all School-related info fast with the new School-Specific MBA Forum

It is currently 18 Apr 2014, 08:01

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Anthropologists once thought that the ancestors of modern

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Manager
Manager
User avatar
Joined: 31 Mar 2006
Posts: 69
Followers: 1

Kudos [?]: 2 [0], given: 0

Anthropologists once thought that the ancestors of modern [#permalink] New post 22 Apr 2006, 19:08
Anthropologists once thought that the ancestors of modern humans began to walk upright because it freed their hands to use stone tools, which they had begun to make as the species evolved a brain of increased size and mental capacity. But discoveries of the three-million-year-old fossilized remains of our hominid ancestor Australopithecus have yielded substantial anatomical evidence that upright walking appeared prior to the dramatic enlargement of the brain and the development of stone tools.



Walking on two legs in an upright posture (bipedal locomotion) is a less efficient proposition than walking on all fours (quadrupedal locomotion) because several muscle groups that the quadruped uses for propulsion must instead to (?) provide the biped with stability and control. The shape and configuration of various bones must likewise be modified to allow the muscles to perform these functions in upright walking. Reconstruction of the pelvis (hipbones) and femur (thighbone) of “Lucyâ€
SVP
SVP
Joined: 14 Dec 2004
Posts: 1711
Followers: 1

Kudos [?]: 27 [0], given: 0

GMAT Tests User
 [#permalink] New post 22 Apr 2006, 19:55
I think it's "D"
Manager
Manager
Joined: 07 Mar 2006
Posts: 128
Followers: 1

Kudos [?]: 2 [0], given: 0

 [#permalink] New post 22 Apr 2006, 22:10
E ANSWER
  [#permalink] 22 Apr 2006, 22:10
    Similar topics Author Replies Last post
Similar
Topics:
Popular new posts 2 Some anthropologists study modern-day societies of foragers Bhai 18 10 Jul 2004, 15:44
Popular new posts Some anthropologists study modern-day societies of foragers rkatl 13 29 Jul 2006, 19:23
New posts 1 Some modern anthropologists hold that biological evolution shobuj 2 26 Mar 2008, 08:19
New posts 1 48-Some anthropologists study modern-day societies of perfectstranger 6 18 Jul 2008, 00:30
New posts Anthropologists once thought that the ancestors of modern eybrj2 9 21 Dec 2011, 14:41
Display posts from previous: Sort by

Anthropologists once thought that the ancestors of modern

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.