734. Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of

✅ The correct answer is option C.
Pyramid of biomass is the graphical representation of total amount of living material at each trophic level of a food chain. Pyramid of numbers represent the number of individuals in each trophic level of a food chain. Pyramid of energy represents the amount of energy at each trophic level of a food chain.