Scientists date the split between human ancestors and the ancestors of African apes between:
a. 10 and 15 million years ago
b. 2 and 4 million years ago
c. 5 and 8 million years ago
d. 5 and 10 million years ago
c
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Non-human primates and humans share which features of communication?
a. Non-verbal forms of communication b. An open call system c. A closed call system d. Vocal speech e. Use of language from tradition and not experience
The earliest australopith fossils come from
a. South Africa b. Asia c. East Africa d. North Africa e. Europe
Beng babies are raised with a child-rearing training that is midway between the extremes. It is associated with all of the following except: a. They are held and breast-fed by more than just their mother. b. They appear generally free of stranger anxiety
c. They are made to appear very attractive to adults. d. They are taught to listen and be very obedient to their parents.
Industrial commercial fishing is sometimes referred to as:
a. The last form of big-time “hunting” b. Too dangerous c. Unnecessary d. The last form of “gathering” e. Destructive