The energy flows bet in trophies level in pond ecosystem.
The pond ecosystem is refer to the freshwater ecosystem where there are communities of organisms dependent on each other within the environment for the nutrient and survival.
A pond ecosystem food chain has three basic trophic level. The first tropic level are autotrophs they can prepare their own food. The second trophic levels are herbivores such as insect, crustaceans.
the third trophic levels are carnivores such as fish. The saprophytic organisms are also present in the pond ecosystem to decompose the dead matters in the pond.