Which of the Following Is NOT True Regarding Food Webs

question 1

Multiple Choice

Which of the following is NOT true regarding food webs in ecosystems?

• A) Primary producers assimilate minerals into biomass.
• B) Primary producers absorb energy from outside the ecosystem.
• C) Grazers convert 10% of carbon back to carbon dioxide.
• D) Consumers convert 90% of biomass carbon to atmospheric CO₂.
• E) All energy gained by an ecosystem is eventually lost as heat.

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Definitions:

Labor Force

The total number of people who are eligible and willing to work, including both employed and unemployed individuals.

Number of Employed

A metric that signifies the total count of people within an economy who are currently engaged in paid employment or self-employed.

Number of Unemployed

The total count of individuals who are actively seeking work but are currently without a job.

Labor-force Participation Rate

The percentage of the working-age population that is active in the labor market, either employed or actively seeking employment.