Answer:
energy pyramid
Explanation:
An energy pyramid is a model that shows the flow of energy from one trophic level to the next along a food chain.
The cycle of energy is based on the flow of energy through different trophic levels in an ecosystem. ... At the first trophic level, primary producers use solar energy to produce organic material through photosynthesis. The herbivores at the second trophic level, use the plants as food which gives them energy.
