Certain physical changes were necessary to allow human ancestral species to walk on two legs (bipedalism) as our 'obligatory' or preferred form of locomotion. This includes broad changes to all of the following except ____.  a. Double curved sping b. Arched feet  c. Wide pelvis  d. Long flat ankle bones for leaping

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter24: Systematics And Phylogenetics: Revealing The Tree Of Life
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Problem 9TYK: Which of the following pairs of structures are homoplastic? a. the wing skeleton of a bird and the...
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34. Certain physical changes were necessary to allow human ancestral species to walk on two legs (bipedalism) as our 'obligatory' or preferred form of locomotion. This includes broad changes to all of the following except ____. 

a. Double curved sping

b. Arched feet 

c. Wide pelvis 

d. Long flat ankle bones for leaping 

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