A balanced polymorphism that is maintained because the advantageous phenotypes only retain their advantage when they are present below a certain frequency is called __________
a. heterosis
b. hybrid vigor
c. a frequency-dependent balanced polymorphism
d. heterozygous advantage
Correct Answer: c
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What is the term for the bony protuberance found on top of the skulls of robust australopiths?
A. temporalis B. sagittal crest C. masseter D. foramen magnum E. ischium
According to the original study, the Mekranoti Kayapo had to work hard to get enough produce from their gardens
a. True b. False Indicate whether the statement is true or false
A primary factor in the extinction of indigenous languages around the world is __________
a. the spread of English and other languages of business b. the spread of primary education c. the spread of mass media d. the availability of rapid worldwide travel
William Tulio Divale and Marvin Harris propose that violence in a given society correlates to:
a) the degree of male bias present in social norms and practices. b) the disparity in people’s access to necessary resources. c) the relative level of industrial development. d) the level of racial diversity in a society.