In the following food chain, energy flows from
Grass→Grasshopper→Frog→Snake→Eagle
Grass to Eagle
Producers have the highest energy in a food chain as they absorb the solar energy directly from the sun. The primary consumers obtain energy from the plants while the secondary consumers obtain energy from the primary consumers. So as the trophic level goes up, energy flows in that direction. So, in the given food chain, energy flows from grass to eagle.