3. Which of the following is a primary difference between robust and gracile australopithecines?
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robust australopithecines were makers of Olduwan tools while gracile australopithecines were not capable of making these tools. |
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gracile australopithecines generally have a larger cranial capacity than the robust forms. |
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gracile australopithecines have a sagittal crest while robust australopithecines do not have this feature. |
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robust australopithecines have large anterior (incisors) teeth while gracile australopithecines are characterized by small anterior teeth. |
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robust australopithecines are characterized by large molars marked by pits reflective of seed and nut eating while gracile forms have relatively smaller molars with slight scratches associated with a diet of fruits and grasses. |
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