Whereas evolution happens at the level of the __________, natural selection occurs at the level of __________
a. population; the individual organism
b. mutation; the population
c. individual organism; the population
d. mutation; DNA
Correct Answer: a
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In this chapter we learn that the most complete explanation of primary state formation is
A. the development of a four-level hierarchy composed of peasant villages, subchiefdoms, chiefdoms, and capital cities. B. a biocultural approach such as Kent Flannery's broad-spectrum theory of state formation. C. a multivariate approach such as Carneiro's theory of state formation. D. a prime-mover explanation based on irrigation. E. a set of nine ecological and social factors determining the evolution of social stratification.
Even though farming results in an abundant amount of food, crops are unstable and more susceptible to some diseases, viruses, bacteria, or fungi that could wipe out entire fields because of their genetic uniformity
a. True b. False Indicate whether the statement is true or false
How have global technology changes affected the process of immigration today?
What will be an ideal response?
Identify a hormone that regulates the development and function of the male reproductive tract as well as the female reproductive function.
A. secretin B. parathyroid hormone C. somatostatin D. luteinizing hormone