The model here is not found here but matter and energy flow in the food pyramid from lower trophic levels to higher trophic levels.
A food pyramid is a diagram that represents the trophic relationships between species in a given ecosystem.
Biomass can be transferred when one organism eats another because life forms are composed of macronutrients such as proteins, carbohydrates and fats (lipids).
Digestion is a metabolic process where larger macronutrients are degraded onto smaller components that can be used to build body structures.
Learn more about the food pyramid here:
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