When evolution works to effect a change in a population, it is engaged in __________
a. stabilizing selection
b. the inheritance of acquired characteristics
c. gene flow
d. directional selection
Answer d
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Peru's coastal regions were whole-heartedly committed to subsistence agriculture after about 3,800 ya
Indicate whether the statement is true or false
Some anthropologists argue that tribal groups emerged out of processes of subjugation and domination by complex state societies
Indicate whether the statement is true or false.
Refer to the table below. At a price of $99, which of the following statements is true regarding the price elasticity of demand?
The above table shows a sample of prices and the quantity sold by a monopolist.
A) The price elasticity of demand is less than one.
B) The price elasticity of demand is equal to one.
C) The price elasticity of demand is equal to 2.0.
D) The price elasticity of demand is greater than one.
Archaeologists who use written records to supplement or guide their fieldwork are
A. cognitive archaeologists. B. historical archaeologists. C. experimental archaeologists. D. underwater archaeologists. E. literary archaeologists.