Each tier of the biomass pyramid depicts the ____ of all the organisms in an ecosystem.
A) size
B) number of species
C) dry weight
D) total weight
E) total utilization of materials

Question

Quizplus · Accepted Answer

Each tier of the biomass pyramid depicts the dry weight of all the organisms in an ecosystem. This is because dry weight is a measurement of the organic matter that constitutes the body of an organism, which is a useful metric for comparing the relative contributions of different groups of organisms in the ecosystem. Size, number of species, total weight, and total utilization of materials are not accurate representations of the biomass pyramid.

Each Tier of the Biomass Pyramid Depicts the ____ of All