Your Text Discusses One of the Most Well-Known Examples in Which

question 7

Short Answer

Your text discusses one of the most well-known examples in which human populations have evolved in response to selection imposed by changes in lifestyle.Specifically,this example has to do with a change toward the life-long production of an enzyme that allows humans to digest something our ancestors normally would have ingested only as infants.What is the name of this enzyme?

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Definitions:

Consumption

The act of using goods and services by households.

External Costs

Costs of economic activity not borne by the producer or consumer but by society, often not reflected in the price of goods or services.

Economic Efficiency

A situation where resources are allocated in a way that maximizes the production of goods and services at the lowest cost.

Market

A place or arrangement through which goods and services are exchanged between buyers and sellers.