Question

What does a pyramid of biomass represent?

Options

• The relative number of individuals per unit area at different trophic levels

• The amount of accumulated energy per unit area at different trophic levels

• The biomass per unit area at different trophic levels

• The number of parasites on smaller birds

Answer 1

A pyramid of biomass compares biomass per unit area at different trophic levels. In most well-balanced ecosystems, this pyramid is upright.