Grain Is Eaten by Cows, and Cows Are Eaten by Humans

question 7

Multiple Choice

Grain is eaten by cows, and cows are eaten by humans. If the ecological transfer efficiency between each trophic level is 10 percent, how much grain is required to produce 70 kg of human biomass?

• A) 7 kg
• B) 70 kg
• C) 700 kg
• D) 7,000 kg
• E) 70,000 kg

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Definitions:

Households

Units consisting of one or more people who live in the same dwelling and share meals or living accommodation; considered as a single entity for economic analysis.

Satisfaction

The feeling of fulfillment or pleasure derived from achieving a goal, satisfying a desire, or meeting a need.

Service Sector

The segment of the economy that provides intangible goods or services to consumers, including healthcare, education, financial services, and retail.

Labor Force

A rephrased definition: This consists of all working-age individuals who are currently employed or actively seeking employment.