Which of the following traits is the best example of a trait that would give an organism a competitive edge with respect to intrasexual selection
A. the ornate, colorful plumage of peacocks
B. the head-butting horns of bighorn sheep
C. the manes of lions
D. the elaborate songs and whistles of birds
B. the head-butting horns of bighorn sheep
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With the advent of technology, what new institution grew alongside industry?
A) The medical field B) The field of Psychiatry C) The pharmacological field to dispense medicine to the workers D) The field of Chiropractors E) The office or white-collar workers
While a wide variety of family structures existed among West African peoples, most family systems were __________
A) nonlinear B) patrilineal C) matrilineal D) avuncular
Catharine Beecher campaigned for teacher training for women because of her belief that __________.
A. women were the equals of men B. nurturing women would be better teachers C. educated women could eventually dominate men D. women were more community-minded than men
Geography helped to shape the events of Roman history in all of the following ways EXCEPT
A) Italy occupies a commanding position in the Aegean Sea. B) the mountains did not form a barrier to political development as in Greece. C) Italy possesses useful harbors. D) the Italian peninsula faces west. E) Rome occupies a strategic position.