In aquatic organisms GFC is major …

In an aquatic ecosystem, GFC or grazing food chain is the main conduit of energy because here food chain begins from plants, i.e. phytoplanktons( primary producers), which are in turn eaten by zooplanktons. Zooplanktons are then eaten by different fishes which are taken in by pelicans. 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. 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.