25
QuizMultiple Choice

Energy Transfer

Question 25 • * FL-2001340-Environmental Science Sem 2

Which of the following is true about the efficiency of energy transfer in an ecosystem?

Answer
A
The more energy the organism requires, the more efficient the energy transfer.
B
All energy transfers have the same efficiencies.
C
The less energy the organism requires, the more efficient the energy transfer.
D
The most efficient energy transfers are in large, warm-blooded animals.

Explanation

Energy transfer is more efficient when an organism uses less energy for its own life processes, leaving a larger share available to the next level of the ecosystem. Much energy is lost as heat during metabolism, and organisms with high energy requirements—such as warm-blooded animals—use more of the energy they take in. Therefore, “the less energy the organism requires, the more efficient the energy transfer” is true.

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