lab3 - Chapter 5 Lab 1) Fill in following chart. Quadruped...

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Chapter 5 Lab 1) Fill in following chart. Quadruped Brachiator Biped Dog New World Monkey Gibbon Human 90 104.2 111.1 75.8 95 92.5 68.4 89.7 97.4 98 148.4 66.1 2) Describe what the differences in the brachial, crural. And intermembral indices between these groups mean. The quadrupeds have a high brachial and crural index and are relatively close in number because their sets of limbs are relatively the same size and that the humerus and radius are similar in length as well as the tibia and femur are relatively the same length. Their intermembral indices show that the closer the number is to 100 the animal has similar length in fore and hind limbs. If the number is not close to 100 and is higher the animal has longer forelimbs, such as in the brachiators. If it is less than 100 like the bipeds, the forelimbs are shorter than the hind limbs. 3) If you found a fossil with a very large sagittal crest, what would that feature indicate about the animal’s masticatory apparatus relative to its cranial size. The larger the sagittal crest the larger the cranium and the larger the masticatory
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This homework help was uploaded on 04/15/2008 for the course ANTH 168 taught by Professor Meriweather during the Spring '08 term at Binghamton University.

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lab3 - Chapter 5 Lab 1) Fill in following chart. Quadruped...

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