Pyramids of numbers are of limited usefulness because they
A) do not indicate the biomass of the organisms at a given time.
B) do not indicate the gross primary productivity of each species.
C) do not include energy flow through the ecosystem.
D) include three trophic levels.
E) have limited reliability of the actual numbers involved.

Question

Quizplus · Accepted Answer

Pyramids of numbers only show the number of organisms at each trophic level, not their biomass, which can be misleading as it doesn't account for the size or mass of the organisms.

Pyramids of Numbers Are of Limited Usefulness Because They