Evidence from ancient skeletons suggests that the first mammals appeared over _______________ million years ago, whereas the earliest primates first evolved approximately _______________mill ion years ago.
a. 200/65
b. 265/150
c. 175/65
d. 100/5
Question 2
Which technique of making tools involves the preparation of a striking platform at one end of a specially prepared core, after which three or four long, triangular flakes are detached, leaving a nodule shaped like a tortoise shell?
a. Oldowan
b. Acheulian
c. Paleoindian
d. Levalloisian
e. Mousterian
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