lab4 - Exercise 6.1 1) Which of the three bones that make...

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Exercise 6.1 1) Which of the three bones that make up the os coxae has changed the most in humans, compared to monkeys and apes? In what way has it changed? The illium has changed the most in humans. It has become short and splayed and the greater sciatic notch is deeper and less obtuse. 2) Is the skeletonized hand in Figure 6.19 from a primate? What characteristic(s) lead(s) you to that conclusion? Yes, it is from a primate. You can tell it is one because you can see that there are phalanges. 3) Compare the phalanges of the hands and feet of apes with humans. What are the differences? Why are they different? The apes generally have more curved phalanges, probably because apes are knuckle-walkers and lean on their hands. 4) Compare the orientations of the glenoid cavities of apes and humans. What are the differences? The apes glenoid cavities have an upward orientation for occasional hanging and humans glenoid cavity is oriented forward. 5)
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lab4 - Exercise 6.1 1) Which of the three bones that make...

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