Energy is lost as it moves from one trophic level to the next because
A)one trophic level does not consume the entire trophic level below it.
B)some of the calories consumed drive cellular activities and do not add mass.
C)some ingested materials are undigested and eliminated.
D)All of the above.

Question

Quizplus · Accepted Answer

All of the options A, B, and C are correct in explaining why energy is lost as it moves from one trophic level to the next. Incomplete consumption, cellular activities, and undigested materials are some of the factors that contribute to the loss of energy. Therefore, D is the correct choice.

Energy Is Lost as It Moves from One Trophic Level