A set of interdependencies among species in an ecosystem can be defined as a:
a. cycle
b. flow
c. chain
d. wave
e. none of the above
Question 2A set of interdependencies that feeds back on itself in an ecosystem can be defined as a:
a. cycle
b. flow
c. chain
d. wave
e. none of the above
Question 3Lenski's theory of the origin of class emphasizes
a. struggle, personal power, and the evolution of class position.
b. interaction, contract, and agreement over inequality.
c. war, colonialization, and forcing conquered groups into lower classes.
d. religious power and political power creating economic power.
Question 4According to Steinberg, the existence of a larger African-American middle class
a. is evidence of a dramatic change in the occupational structure.
b. is not good evidence of change in the occupational structure.
Question 5Cultural complexity and diversity, according to Harper and Leicht, are
a. shrinking.
b. growing.
c. staying relatively constant.
d. complexity is growing, but diversity is not.