What happened to energy as it's passed through the food chain

As energy is being passed up through the food chain from one trophic level to the other, the energy decreases. the energy decrease is lost to the environment or utilised for metabolic process of heat that occurs in the system. just very little percentage of energy is transferred from one trophic level to the other which is about 10%.

Energy decrease

Explanation:

In each stage of food chain some energy is used by organism themselves for growth and reproduction hence lead to decrease in energy