Hominins have been variably defined as having which of the following?
a. a large brain, toolmaking abilities, adaptations for bipedalism
b. toolmaking abilities but no adaptations for bipedalism
c. adaptations for bipedalism, but lacking a large brain
d. a large brain and no toolmaking abilities and adaptations for bipedalism
e. a small brain, no toolmaking abilities and no adaptations for bipedalism
a
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Although gorillas and chimpanzees appear to have the capacity for symbolic communication, human language is a unique communication system because __________
A) its spoken and symbolic nature permits an infinite number of combinations of meaning B) it relies heavily on body language more than other animals C) it requires fewer phonemes than other primate communication systems D) it is more effective than animal call systems
It is likely that H. sapiens reached the New World __________
a. during the Middle Stone Age b. by crossing the Atlantic on watercraft c. via the coast of Siberia d. directly from Africa an a South Atlantic land bridge
The earliest stone tools are dated to approximately
a. 2.6 million years old b. 25,000 years old c. 250,000 years old d. 25 million years old e. 50 million years old
Today, Darwin's evolutionary theory is supported by data from all of the following except:
a. population genetics b. heredity c. molecular genetics d. protogenetics