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

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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