The two subfamilies of the family Hominidae are
A) Australopithecus and Paranthropus
B) australopithecines and hominids
C) Australopithecus and Homo
D) Paranthropus and Homo
E) Australopithecinae and Homininae
E
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The ultimate source of all biological variation is:
A. mutation B. natural selection C. genetic drift D. nonrandom mating
Meiosis results in
A) haploid somatic cells B) diploid somatic cells C) haploid gametes D) diploid gametes E) none of the above
Which of the following is NOT true regarding Europe by 10,000 B.P.?
A. The range of hunting, gathering, and fishing populations extended to the formerly glaciated British Isles and Scandinavia. B. The continent was forest rather than treeless steppe and tundra, as it had been during the Upper Paleolithic. C. As a consequence of the increase in forest species, people increasingly practiced new hunting techniques, mainly solitary stalking and trapping, similar to more recent practices of many Native American groups. D. The process of preserving meat and fish by smoking and salting grew increasingly important. E. The continent's coasts and lakes were fished intensively with new technologies such as the characteristic Mesolithic stone blades and cores used as fishhooks and in harpoons.
Although self-reliance and independence are stressed in modern, industrial nations, paradoxically children remain more reliant on their parents for a longer period of time because __________
a. there are child labor laws b. school is optional c. they are not taught how to be self-sufficient until 18 years of age d. they are biologically incapable of supporting themselves until 18 years of age