Examlex
Energy is lost at each level of the food web through respiration.
Circular-Flow Diagram
An economic diagram that maps out the journey of money as it passes through markets, involving both households and businesses.
Household
An economic unit consisting of all the individuals who live together in one housing arrangement.
Market
A venue or mechanism through which buyers and sellers interact to trade goods, services, or securities.
Business
An economic system where goods and services are exchanged for one another or for money, on the basis of their perceived value.
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