Answer :
The right option is D. displays the number of organisms at each trophic level
A pyramid of numbers differs from an ecological pyramid because it displays the number of organisms at each trophic level.
Pyramid of numbers refers to when the number of organisms in a food chain is represented graphically in a pyramid. Each bar of the graph displays the number of organisms at each trophic level in the food chain.
An ecological pyramid is a graphical representation that shows the interaction between the different organisms in an ecosystem. Ecological pyramids start at the bottom and moves to various trophic levels in the food chain.