The reduction or loss of cranial crests in hominin species represents __________
a. a need for greater room for muscles associated with chewing
b. a de-emphasis on protection for the cranial case
c. a de-emphasis on chewing as well as a greater emphasis on brain size expansion
d. a reduction in the size of neck muscles associated with quadrupedalism
Correct Answer: c
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The footprints of Australopithecus, found at Laetoli, indicate that the australopithecines:
A. were imperfect bipeds who walked on the sides of their feet B. walked somewhat like modern gorillas C. were basically quadrupedal, but occasionally rose to a two-legged posture D. walked in a striding bipedal mode like modern humans
What do anthropologists mean when they refer to tone languages?
What will be an ideal response?
Three skulls dated to 156,000 years ago represent the earliest known Homo sapiens fossils. They were found in:
A. Africa B. Europe C. Asia D. Southeast Asia