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kailaluczynski kailaluczynski
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6 years ago
The transition from brachiation to knucklewalking occurred because __________.
 
  a. drying and cooling caused vast forests to break up into smaller areas
  b. apes shifted to terrestrial food sources
  c. the body size of great apes made brachiation impossible
  d. brachiation proved to be an inefficient form of locomotion
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