Which of the Following Is NOT True Regarding Food Webs

question 22

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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